a mom is [a] human [.] 
1 a 5 human
2 mom 3 is
3 is 5 human

a dad is [a] human [.] 
1 a 5 human
2 dad 3 is
3 is 5 human

a mom is [a] parent [.] 
1 a 5 parent
2 mom 3 is
3 is 5 parent

a dad is [a] parent [.] 
1 a 5 parent
2 dad 3 is
3 is 5 parent

a son is [a] child [.] 
1 a 5 child
2 son 3 is
3 is 5 child

a daughter is [a] child [.] 
1 a 5 child
2 daughter 3 is
3 is 5 child

a son is [a] human [.] 
1 a 5 human
2 son 3 is
3 is 5 human

a daughter is [a] human [.] 
1 a 5 human
2 daughter 3 is
3 is 5 human

a mom likes cake [.] 
1 a 2 mom
2 mom 3 likes
3 likes 4 cake

a daughter likes cake [.] 
1 a 2 daughter
2 daughter 3 likes
3 likes 4 cake

a son likes sausage [.] 
1 a 2 son
2 son 3 likes
3 likes 4 sausage

a dad likes sausage [.] 
1 a 2 dad
2 dad 3 likes
3 likes 4 sausage

[cake] [is] [a] [food] [.] 

[sausage] [is] [a] [food] [.] 

[mom] [is] [a] [human] [now] [.] 

[dad] [is] [a] [human] [now] [.] 

[mom] [is] [a] [parent] [now] [.] 

[dad] [is] [a] [parent] [now] [.] 

[son] [is] [a] [child] [now] [.] 

[daughter] [is] [a] [child] [now] [.] 

[son] [is] [a] [human] [now] [.] 

[daughter] [is] [a] [human] [now] [.] 

mom likes cake [now] [.] 
1 mom 2 likes
2 likes 3 cake

daughter likes cake [now] [.] 
1 daughter 2 likes
2 likes 3 cake

son likes sausage [now] [.] 
1 son 2 likes
2 likes 3 sausage

dad likes sausage [now] [.] 
1 dad 2 likes
2 likes 3 sausage

[cake] [is] [a] [food] [now] [.] 

[sausage] [is] [a] [food] [now] [.] 

[mom] [was] [a] [daughter] [before] [.] 

[dad] [was] [a] [son] [before] [.] 

[mom] [was] [not] [a] [parent] [before] [.] 

[dad] [was] [not] [a] [parent] [before] [.] 

[mom] [liked] [cake] [before] [.] 

[dad] [liked] [sausage] [before] [.] 

[cake] [was] [a] [food] [before] [.] 

[sausage] [was] [a] [food] [before] [.] 

[mom] [is] [on] [the] [board] [of] [directors] [.] 

[dad] [is] [on] [the] [board] [of] [directors] [.] 

[son] [is] [on] [the] [board] [of] [directors] [.] 

[daughter] [is] [on] [the] [board] [of] [directors] [.] 

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

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

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

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

[dad] [wants] [mom] [to] [be] [on] [the] [board] [of] [directors] [.] 

[mom] [wants] [dad] [to] [be] [on] [the] [board] [of] [directors] [.] 

[dad] [wants] [his] [son] [to] [be] [on] [the] [board] [of] [directors] [.] 

[mom] [wants] [her] [daughter] [to] [be] [on] [the] [board] [of] [directors] [.] 

[mom] [writes] [to] [dad] [with] [chalk] [on] [the] [board] [.] 

[dad] [writes] [to] [mom] [with] [chalk] [on] [the] [board] [.] 

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

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

[mom] [has] [a] [hammer] [.] 

[mom] [has] [a] [saw] [.] 

[dad] [has] [a] [hammer] [.] 

[dad] [has] [a] [saw] [.] 

[mom] [has] [a] [telescope] [.] 

mom has binoculars [.] 
1 mom 2 has
2 has 3 binoculars

[dad] [has] [a] [telescope] [.] 

dad has binoculars [.] 
1 dad 2 has
2 has 3 binoculars

[mom] [saw] [dad] [with] [a] [hammer] [.] 

[mom] [saw] [dad] [with] [a] [saw] [.] 

[dad] [saw] [mom] [with] [a] [hammer] [.] 

[dad] [saw] [mom] [with] [a] [saw] [.] 

[saw] [is] [a] [tool] [.] 

[hammer] [is] [a] [tool] [.] 

[binoculars] [are] [a] [tool] [.] 

[a] [telescope] [is] [a] [tool] [.] 

[mom] [sees] [dad] [now] [.] 

[dad] [sees] [mom] [now] [.] 

[son] [sees] [dad] [now] [.] 

[daughter] [sees] [mom] [now] [.] 

[mom] [saw] [dad] [before] [.] 

[dad] [saw] [mom] [before] [.] 

[son] [saw] [dad] [before] [.] 

[daughter] [saw] [mom] [before] [.] 

[mom] [sawed] [the] [wood] [with] [a] [saw] [.] 

[dad] [sawed] [the] [wood] [with] [a] [saw] [.] 

[son] [sawed] [the] [wood] [with] [a] [saw] [.] 

[daughter] [sawed] [the] [wood] [with] [a] [saw] [.] 

[mom] [knocked] [the] [wood] [with] [a] [hammer] [.] 

[dad] [knocked] [the] [wood] [with] [a] [hammer] [.] 

[son] [knocked] [the] [wood] [with] [a] [hammer] [.] 

[daughter] [knocked] [the] [wood] [with] [a] [hammer] [.] 

[mom] [saw] [dad] [with] [binoculars] [.] 

[mom] [saw] [dad] [with] [a] [telescope] [.] 

[dad] [saw] [mom] [with] [binoculars] [.] 

[dad] [saw] [mom] [with] [a] [telescope] [.]