a mom is a human . 
0 ###LEFT-WALL### 1 a
1 a 5 human
2 mom 3 is
3 is 4 a
4 a 5 human
5 human 6 .

a dad is a human . 
0 ###LEFT-WALL### 1 a
1 a 5 human
2 dad 3 is
3 is 4 a
4 a 5 human
5 human 6 .

a mom is a parent . 
0 ###LEFT-WALL### 1 a
1 a 5 parent
2 mom 3 is
3 is 4 a
4 a 5 parent
5 parent 6 .

a dad is a parent . 
0 ###LEFT-WALL### 1 a
1 a 5 parent
2 dad 3 is
3 is 4 a
4 a 5 parent
5 parent 6 .

a son is a child . 
0 ###LEFT-WALL### 1 a
1 a 5 child
2 son 3 is
3 is 4 a
4 a 5 child
5 child 6 .

a daughter is a child . 
0 ###LEFT-WALL### 1 a
1 a 5 child
2 daughter 3 is
3 is 4 a
4 a 5 child
5 child 6 .

a son is a human . 
0 ###LEFT-WALL### 1 a
1 a 5 human
2 son 3 is
3 is 4 a
4 a 5 human
5 human 6 .

a daughter is a human . 
0 ###LEFT-WALL### 1 a
1 a 5 human
2 daughter 3 is
3 is 4 a
4 a 5 human
5 human 6 .

a mom likes cake . 
0 ###LEFT-WALL### 1 a
0 ###LEFT-WALL### 2 mom
2 mom 3 likes
3 likes 4 cake
4 cake 5 .

[a] daughter likes cake . 
0 ###LEFT-WALL### 2 daughter
2 daughter 3 likes
3 likes 4 cake
4 cake 5 .

[a] son likes sausage . 
0 ###LEFT-WALL### 2 son
2 son 3 likes
3 likes 4 sausage
4 sausage 5 .

a dad likes sausage . 
0 ###LEFT-WALL### 1 a
0 ###LEFT-WALL### 2 dad
2 dad 3 likes
3 likes 4 sausage
4 sausage 5 .

[cake] [is] a [food] [.] 
0 ###LEFT-WALL### 3 a

[sausage] [is] a [food] [.] 
0 ###LEFT-WALL### 3 a

mom is a human now . 
0 ###LEFT-WALL### 1 mom
1 mom 2 is
2 is 3 a
3 a 4 human
4 human 5 now
5 now 6 .

dad is a human now . 
0 ###LEFT-WALL### 1 dad
1 dad 2 is
2 is 3 a
3 a 4 human
4 human 5 now
5 now 6 .

mom is a parent now . 
0 ###LEFT-WALL### 1 mom
1 mom 2 is
2 is 3 a
3 a 4 parent
4 parent 5 now
5 now 6 .

dad is a parent now . 
0 ###LEFT-WALL### 1 dad
1 dad 2 is
2 is 3 a
3 a 4 parent
4 parent 5 now
5 now 6 .

son is a child now . 
0 ###LEFT-WALL### 1 son
1 son 2 is
2 is 3 a
3 a 4 child
4 child 5 now
5 now 6 .

daughter is a child now . 
0 ###LEFT-WALL### 1 daughter
1 daughter 2 is
2 is 3 a
3 a 4 child
4 child 5 now
5 now 6 .

son is a human now . 
0 ###LEFT-WALL### 1 son
1 son 2 is
2 is 3 a
3 a 4 human
4 human 5 now
5 now 6 .

daughter is a human now . 
0 ###LEFT-WALL### 1 daughter
1 daughter 2 is
2 is 3 a
3 a 4 human
4 human 5 now
5 now 6 .

mom likes cake now . 
0 ###LEFT-WALL### 1 mom
1 mom 2 likes
2 likes 3 cake
3 cake 4 now
4 now 5 .

daughter likes cake now . 
0 ###LEFT-WALL### 1 daughter
1 daughter 2 likes
2 likes 3 cake
3 cake 4 now
4 now 5 .

son likes sausage now . 
0 ###LEFT-WALL### 1 son
1 son 2 likes
2 likes 3 sausage
3 sausage 4 now
4 now 5 .

dad likes sausage now . 
0 ###LEFT-WALL### 1 dad
1 dad 2 likes
2 likes 3 sausage
3 sausage 4 now
4 now 5 .

[cake] [is] a [food] [now] [.] 
0 ###LEFT-WALL### 3 a

[sausage] [is] a [food] [now] [.] 
0 ###LEFT-WALL### 3 a

mom was a daughter before . 
0 ###LEFT-WALL### 1 mom
1 mom 2 was
2 was 3 a
2 was 5 before
3 a 4 daughter
5 before 6 .

dad was a son before . 
0 ###LEFT-WALL### 1 dad
1 dad 2 was
2 was 3 a
2 was 5 before
3 a 4 son
5 before 6 .

mom [was] [not] [a] [parent] before . 
0 ###LEFT-WALL### 1 mom
0 ###LEFT-WALL### 6 before
6 before 7 .

dad [was] [not] [a] [parent] before . 
0 ###LEFT-WALL### 1 dad
0 ###LEFT-WALL### 6 before
6 before 7 .

mom liked cake before . 
0 ###LEFT-WALL### 1 mom
1 mom 2 liked
2 liked 3 cake
2 liked 4 before
4 before 5 .

dad liked sausage before . 
0 ###LEFT-WALL### 1 dad
1 dad 2 liked
2 liked 3 sausage
2 liked 4 before
4 before 5 .

[cake] [was] a [food] [before] [.] 
0 ###LEFT-WALL### 3 a

[sausage] [was] a [food] [before] [.] 
0 ###LEFT-WALL### 3 a

mom is on the board of directors . 
0 ###LEFT-WALL### 1 mom
1 mom 2 is
2 is 3 on
3 on 4 the
4 the 5 board
5 board 6 of
6 of 7 directors
7 directors 8 .

dad is on the board of directors . 
0 ###LEFT-WALL### 1 dad
1 dad 2 is
2 is 3 on
3 on 4 the
4 the 5 board
5 board 6 of
6 of 7 directors
7 directors 8 .

son is on the board of directors . 
0 ###LEFT-WALL### 1 son
1 son 2 is
2 is 3 on
3 on 4 the
4 the 5 board
5 board 6 of
6 of 7 directors
7 directors 8 .

daughter is on the board of directors . 
0 ###LEFT-WALL### 1 daughter
1 daughter 2 is
2 is 3 on
3 on 4 the
4 the 5 board
5 board 6 of
6 of 7 directors
7 directors 8 .

mom [writes] [with] [chalk] [on] [the] [board] [.] 
0 ###LEFT-WALL### 1 mom

dad [writes] [with] [chalk] [on] [the] [board] [.] 
0 ###LEFT-WALL### 1 dad

[son] [writes] [with] [chalk] [on] [the] [board] [.] 

[daughter] [writes] [with] [chalk] [on] [the] [board] [.] 

dad wants mom to be on the board of directors . 
0 ###LEFT-WALL### 1 dad
1 dad 2 wants
2 wants 3 mom
2 wants 4 to
4 to 5 be
5 be 6 on
6 on 7 the
7 the 8 board
8 board 9 of
9 of 10 directors
10 directors 11 .

mom wants dad to be on the board of directors . 
0 ###LEFT-WALL### 1 mom
1 mom 2 wants
2 wants 3 dad
2 wants 4 to
4 to 5 be
5 be 6 on
6 on 7 the
7 the 8 board
8 board 9 of
9 of 10 directors
10 directors 11 .

dad wants his son to be on the board of directors . 
0 ###LEFT-WALL### 1 dad
1 dad 2 wants
2 wants 3 his
3 his 4 son
3 his 6 be
5 to 6 be
6 be 7 on
7 on 8 the
8 the 9 board
9 board 10 of
10 of 11 directors
11 directors 12 .

mom wants her daughter to be on the board of directors . 
0 ###LEFT-WALL### 1 mom
1 mom 2 wants
2 wants 3 her
3 her 4 daughter
3 her 6 be
5 to 6 be
6 be 7 on
7 on 8 the
8 the 9 board
9 board 10 of
10 of 11 directors
11 directors 12 .

mom [writes] [to] [dad] [with] [chalk] [on] [the] [board] [.] 
0 ###LEFT-WALL### 1 mom

dad [writes] [to] [mom] [with] [chalk] [on] [the] [board] [.] 
0 ###LEFT-WALL### 1 dad

[son] [writes] [to] dad [with] [chalk] [on] [the] [board] [.] 
0 ###LEFT-WALL### 4 dad

[daughter] [writes] [to] mom [with] [chalk] [on] [the] [board] [.] 
0 ###LEFT-WALL### 4 mom

mom has a hammer . 
0 ###LEFT-WALL### 1 mom
1 mom 2 has
2 has 3 a
3 a 4 hammer
4 hammer 5 .

mom has a saw . 
0 ###LEFT-WALL### 1 mom
1 mom 2 has
2 has 3 a
3 a 4 saw
4 saw 5 .

dad has a hammer . 
0 ###LEFT-WALL### 1 dad
1 dad 2 has
2 has 3 a
3 a 4 hammer
4 hammer 5 .

dad has a saw . 
0 ###LEFT-WALL### 1 dad
1 dad 2 has
2 has 3 a
3 a 4 saw
4 saw 5 .

mom has a telescope . 
0 ###LEFT-WALL### 1 mom
1 mom 2 has
2 has 3 a
3 a 4 telescope
4 telescope 5 .

mom has binoculars . 
0 ###LEFT-WALL### 1 mom
1 mom 2 has
2 has 3 binoculars
3 binoculars 4 .

dad has a telescope . 
0 ###LEFT-WALL### 1 dad
1 dad 2 has
2 has 3 a
3 a 4 telescope
4 telescope 5 .

dad has binoculars . 
0 ###LEFT-WALL### 1 dad
1 dad 2 has
2 has 3 binoculars
3 binoculars 4 .

mom saw dad with a hammer . 
0 ###LEFT-WALL### 1 mom
1 mom 2 saw
2 saw 3 dad
3 dad 4 with
4 with 5 a
5 a 6 hammer
6 hammer 7 .

mom saw dad with a saw . 
0 ###LEFT-WALL### 1 mom
1 mom 2 saw
2 saw 3 dad
3 dad 4 with
4 with 5 a
5 a 6 saw
6 saw 7 .

dad saw mom with a hammer . 
0 ###LEFT-WALL### 1 dad
1 dad 2 saw
2 saw 3 mom
3 mom 4 with
4 with 5 a
5 a 6 hammer
6 hammer 7 .

dad saw mom with a saw . 
0 ###LEFT-WALL### 1 dad
1 dad 2 saw
2 saw 3 mom
3 mom 4 with
4 with 5 a
5 a 6 saw
6 saw 7 .

saw is a tool . 
0 ###LEFT-WALL### 1 saw
0 ###LEFT-WALL### 2 is
2 is 3 a
3 a 4 tool
4 tool 5 .

[hammer] [is] a [tool] [.] 
0 ###LEFT-WALL### 3 a

[binoculars] [are] a [tool] [.] 
0 ###LEFT-WALL### 3 a

a telescope [is] [a] [tool] . 
0 ###LEFT-WALL### 1 a
1 a 2 telescope
2 telescope 6 .

mom sees dad now . 
0 ###LEFT-WALL### 1 mom
1 mom 2 sees
2 sees 3 dad
2 sees 4 now
4 now 5 .

dad sees mom now . 
0 ###LEFT-WALL### 1 dad
1 dad 2 sees
2 sees 3 mom
2 sees 4 now
4 now 5 .

son sees dad now . 
0 ###LEFT-WALL### 1 son
1 son 2 sees
2 sees 3 dad
2 sees 4 now
4 now 5 .

daughter sees mom now . 
0 ###LEFT-WALL### 1 daughter
1 daughter 2 sees
2 sees 3 mom
2 sees 4 now
4 now 5 .

mom saw dad before . 
0 ###LEFT-WALL### 1 mom
1 mom 2 saw
2 saw 3 dad
2 saw 4 before
4 before 5 .

dad saw mom before . 
0 ###LEFT-WALL### 1 dad
1 dad 2 saw
2 saw 3 mom
2 saw 4 before
4 before 5 .

[son] [saw] dad before . 
0 ###LEFT-WALL### 3 dad
0 ###LEFT-WALL### 4 before
4 before 5 .

[daughter] [saw] mom before . 
0 ###LEFT-WALL### 3 mom
0 ###LEFT-WALL### 4 before
4 before 5 .

mom [sawed] [the] [wood] with a saw . 
0 ###LEFT-WALL### 1 mom
1 mom 5 with
5 with 6 a
6 a 7 saw
7 saw 8 .

dad [sawed] [the] [wood] with a saw . 
0 ###LEFT-WALL### 1 dad
1 dad 5 with
5 with 6 a
6 a 7 saw
7 saw 8 .

[son] [sawed] [the] [wood] [with] a [saw] [.] 
0 ###LEFT-WALL### 6 a

[daughter] [sawed] [the] [wood] [with] a [saw] [.] 
0 ###LEFT-WALL### 6 a

mom [knocked] [the] [wood] with a hammer . 
0 ###LEFT-WALL### 1 mom
1 mom 5 with
5 with 6 a
6 a 7 hammer
7 hammer 8 .

dad [knocked] [the] [wood] with a hammer . 
0 ###LEFT-WALL### 1 dad
1 dad 5 with
5 with 6 a
6 a 7 hammer
7 hammer 8 .

[son] [knocked] [the] [wood] [with] a hammer . 
0 ###LEFT-WALL### 6 a
6 a 7 hammer
7 hammer 8 .

[daughter] [knocked] [the] [wood] [with] a hammer . 
0 ###LEFT-WALL### 6 a
6 a 7 hammer
7 hammer 8 .

mom saw dad with binoculars . 
0 ###LEFT-WALL### 1 mom
1 mom 2 saw
2 saw 3 dad
3 dad 4 with
4 with 5 binoculars
5 binoculars 6 .

mom saw dad with a telescope . 
0 ###LEFT-WALL### 1 mom
1 mom 2 saw
2 saw 3 dad
3 dad 4 with
4 with 5 a
5 a 6 telescope
6 telescope 7 .

dad saw mom with binoculars . 
0 ###LEFT-WALL### 1 dad
1 dad 2 saw
2 saw 3 mom
3 mom 4 with
4 with 5 binoculars
5 binoculars 6 .

dad saw mom with a telescope . 
0 ###LEFT-WALL### 1 dad
1 dad 2 saw
2 saw 3 mom
3 mom 4 with
4 with 5 a
5 a 6 telescope
6 telescope 7 .