+--C10C03--+C03C01+-C01C06+
    |          |      |       |
LEFT-WALL [a] mom    is [a] human [.]



    +--C10C03--+C03C01+-C01C06+
    |          |      |       |
LEFT-WALL [a] dad    is [a] human [.]



    +--C10C03--+C03C01+-C01C08-+
    |          |      |        |
LEFT-WALL [a] mom    is [a] parent [.]



    +--C10C03--+C03C01+-C01C08-+
    |          |      |        |
LEFT-WALL [a] dad    is [a] parent [.]



    +--C10C05--+C05C01+-C01C06+
    |          |      |       |
LEFT-WALL [a] son    is [a] child [.]



    +----C10C05---+C05C01+-C01C06+
    |             |      |       |
LEFT-WALL [a] daughter  is [a] child [.]



    +--C10C05--+C05C01+-C01C06+
    |          |      |       |
LEFT-WALL [a] son    is [a] human [.]



    +----C10C05---+C05C01+-C01C06+
    |             |      |       |
LEFT-WALL [a] daughter  is [a] human [.]



    +--C10C03--+C03C01+C01C04+C04C01+
    |          |      |      |      |
LEFT-WALL [a] mom   likes  cake     .



    +----C10C05---+C05C01+C01C04+C04C01+
    |             |      |      |      |
LEFT-WALL [a] daughter likes  cake     .



    +--C10C05--+C05C01+C01C04+C04C01+
    |          |      |      |      |
LEFT-WALL [a] son   likes sausage   .



    +--C10C03--+C03C01+C01C04+C04C01+
    |          |      |      |      |
LEFT-WALL [a] dad   likes sausage   .



    +-C10C04+C04C01+-C01C08+
    |       |      |       |
LEFT-WALL cake    is [a] food [.]



    +-C10C04-+C04C01+-C01C08+
    |        |      |       |
LEFT-WALL sausage  is [a] food [.]



    +C10C03+C03C01+----C01C04----+C04C01+
    |      |      |              |      |
LEFT-WALL mom    is [a] [human] now     .



    +C10C03+C03C01+----C01C04----+C04C01+
    |      |      |              |      |
LEFT-WALL dad    is [a] [human] now     .



    +C10C03+C03C01+-----C01C04----+C04C01+
    |      |      |               |      |
LEFT-WALL mom    is [a] [parent] now     .



    +C10C03+C03C01+-----C01C04----+C04C01+
    |      |      |               |      |
LEFT-WALL dad    is [a] [parent] now     .



    +C10C05+C05C01+----C01C04----+C04C01+
    |      |      |              |      |
LEFT-WALL son    is [a] [child] now     .



    +--C10C05-+C05C01+----C01C04----+C04C01+
    |         |      |              |      |
LEFT-WALL daughter  is [a] [child] now     .



    +C10C05+C05C01+----C01C04----+C04C01+
    |      |      |              |      |
LEFT-WALL son    is [a] [human] now     .



    +--C10C05-+C05C01+----C01C04----+C04C01+
    |         |      |              |      |
LEFT-WALL daughter  is [a] [human] now     .



    +C10C03+C03C01+---C01C04--+C04C01+
    |      |      |           |      |
LEFT-WALL mom   likes [cake] now     .



    +--C10C05-+C05C01+---C01C04--+C04C01+
    |         |      |           |      |
LEFT-WALL daughter likes [cake] now     .



    +C10C05+C05C01+----C01C04----+C04C01+
    |      |      |              |      |
LEFT-WALL son   likes [sausage] now     .



    +C10C03+C03C01+----C01C04----+C04C01+
    |      |      |              |      |
LEFT-WALL dad   likes [sausage] now     .



    +-C10C04+C04C01+----C01C04---+C04C01+
    |       |      |             |      |
LEFT-WALL cake    is [a] [food] now     .



    +-C10C04-+C04C01+----C01C04---+C04C01+
    |        |      |             |      |
LEFT-WALL sausage  is [a] [food] now     .



    +C10C03+C03C02+--C02C05--+----C05C01---+
    |      |      |          |             |
LEFT-WALL mom    was [a] daughter [before] .



    +C10C03+C03C02+-C02C05+---C05C01--+
    |      |      |       |           |
LEFT-WALL dad    was [a] son [before] .



    +C10C03+C03C02+-----C02C08----+
    |      |      |               |
LEFT-WALL mom    was [not] [a] parent [before] [.]



    +C10C03+C03C02+-----C02C08----+
    |      |      |               |
LEFT-WALL dad    was [not] [a] parent [before] [.]



    +C10C03+C03C01+C01C04+---C04C01--+
    |      |      |      |           |
LEFT-WALL mom   liked  cake [before] .



    +C10C03+C03C01+C01C04+----C04C01---+
    |      |      |      |             |
LEFT-WALL dad   liked sausage [before] .



    +-C10C04+C04C02+-----C02C07-----+
    |       |      |                |
LEFT-WALL cake    was [a] [food] before [.]



    +-C10C04-+C04C02+-----C02C07-----+
    |        |      |                |
LEFT-WALL sausage  was [a] [food] before [.]