echo set to 1
graphics set to 1
verbosity set to 0
a mom is a human .

               +--C01C03--+
    +--C04C01--+   +C03C03+--C03C11-+
    |          |   |      |         |
LEFT-WALL [a] mom is      a [human] .

a dad is a human .

               +--C01C03--+
    +--C04C01--+   +C03C03+--C03C11-+
    |          |   |      |         |
LEFT-WALL [a] dad is      a [human] .

a mom is a parent .

               +------C01C03-----+
    +--C04C01--+   +C03C03+C03C03+C03C11+
    |          |   |      |      |      |
LEFT-WALL [a] mom is      a   parent    .

a dad is a parent .

               +------C01C03-----+
    +--C04C01--+   +C03C03+C03C03+C03C11+
    |          |   |      |      |      |
LEFT-WALL [a] dad is      a   parent    .

a son is a child .



LEFT-WALL [a] [son] [is] [a] [child] [.]

a daughter is a child .



LEFT-WALL [a] [daughter] [is] [a] [child] [.]

a son is a human .

    +C04C03+------C03C13------+C13C11+
    |      |                  |      |
LEFT-WALL  a [son] [is] [a] human    .

a daughter is a human .

    +C04C03+---------C03C13--------+C13C11+
    |      |                       |      |
LEFT-WALL  a [daughter] [is] [a] human    .

a mom likes cake .

               +---C01C05--+
    +--C04C01--+    +C04C05+C05C11+
    |          |    |      |      |
LEFT-WALL [a] mom likes  cake     .

a daughter likes cake .

                  +----C02C05---+
    +----C04C02---+      +C04C05+C05C11+
    |             |      |      |      |
LEFT-WALL [a] daughter likes  cake     .

a son likes sausage .

               +---C02C05--+
    +--C04C02--+    +C04C05+C05C11+
    |          |    |      |      |
LEFT-WALL [a] son likes sausage   .

a dad likes sausage .

               +---C01C05--+
    +--C04C01--+    +C04C05+C05C11+
    |          |    |      |      |
LEFT-WALL [a] dad likes sausage   .

cake is a food .



LEFT-WALL [cake] [is] [a] [food] [.]

sausage is a food .



LEFT-WALL [sausage] [is] [a] [food] [.]

mom is a human now .

           +--C01C03--+
    +C04C01+   +C03C03+--C03C06--+C06C11+
    |      |   |      |          |      |
LEFT-WALL mom is      a [human] now     .

dad is a human now .

           +--C01C03--+
    +C04C01+   +C03C03+--C03C06--+C06C11+
    |      |   |      |          |      |
LEFT-WALL dad is      a [human] now     .

mom is a parent now .

           +------C01C03-----+
    +C04C01+   +C03C03+C03C03+C03C06+C06C11+
    |      |   |      |      |      |      |
LEFT-WALL mom is      a   parent   now     .

dad is a parent now .

           +------C01C03-----+
    +C04C01+   +C03C03+C03C03+C03C06+C06C11+
    |      |   |      |      |      |      |
LEFT-WALL dad is      a   parent   now     .

son is a child now .



LEFT-WALL [son] [is] [a] [child] [now] [.]

daughter is a child now .



LEFT-WALL [daughter] [is] [a] [child] [now] [.]

son is a human now .

    +---C04C03---+-C03C13+C13C06+C06C11+
    |            |       |      |      |
LEFT-WALL [son] is [a] human   now     .

daughter is a human now .

    +------C04C03-----+-C03C13+C13C06+C06C11+
    |                 |       |      |      |
LEFT-WALL [daughter] is [a] human   now     .

mom likes cake now .

           +---C01C05--+
    +C04C01+    +C04C05+C05C06+C06C11+
    |      |    |      |      |      |
LEFT-WALL mom likes  cake    now     .

daughter likes cake now .

              +----C02C05---+
    +--C04C02-+      +C04C05+C05C06+C06C11+
    |         |      |      |      |      |
LEFT-WALL daughter likes  cake    now     .

son likes sausage now .

           +---C02C05--+
    +C04C02+    +C04C05+C05C06+C06C11+
    |      |    |      |      |      |
LEFT-WALL son likes sausage  now     .

dad likes sausage now .

           +---C01C05--+
    +C04C01+    +C04C05+C05C06+C06C11+
    |      |    |      |      |      |
LEFT-WALL dad likes sausage  now     .

cake is a food now .



LEFT-WALL [cake] [is] [a] [food] [now] [.]

sausage is a food now .



LEFT-WALL [sausage] [is] [a] [food] [now] [.]

mom was a daughter before .



LEFT-WALL [mom] [was] [a] [daughter] [before] [.]

dad was a son before .



LEFT-WALL [dad] [was] [a] [son] [before] [.]

mom was not a parent before .

           +--------C01C03-------+
    +C04C01+              +C03C03+---C03C11---+
    |      |              |      |            |
LEFT-WALL mom [was] [not] a   parent [before] .

dad was not a parent before .

           +--------C01C03-------+
    +C04C01+              +C03C03+---C03C11---+
    |      |              |      |            |
LEFT-WALL dad [was] [not] a   parent [before] .

mom liked cake before .

                  +---C08C12---+
    +C04C01+C01C08+C08C05+     +C12C11+
    |      |      |      |     |      |
LEFT-WALL mom   liked  cake before    .

dad liked sausage before .

                  +----C08C12----+
    +C04C01+C01C08+C08C05+       +C12C11+
    |      |      |      |       |      |
LEFT-WALL dad   liked sausage before    .

cake was a food before .

    +----C04C10----+------C10C12------+
    |       +C05C10+C10C03+           +C12C11+
    |       |      |      |           |      |
LEFT-WALL cake    was     a [food] before    .

sausage was a food before .

    +-----C04C10----+------C10C12------+
    |        +C05C10+C10C03+           +C12C11+
    |        |      |      |           |      |
LEFT-WALL sausage  was     a [food] before    .

Bye.