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tuna has fin .

  +--C09C06--+
  |   +C08C06+C06C01+
  |   |      |      |
tuna has    fin     .

eagle isa bird .

  +---C03C02--+
  |    +C10C02+C02C01+
  |    |      |      |
eagle isa   bird     .

fin isa extremity .

 +--C06C04--+
 |   +C10C04+C04C01+
 |   |      |      |
fin isa extremity  .

tuna isa fish .



[tuna] [isa] [fish] [.]

fin has scale .

 +--C06C11--+
 |   +C08C11+C11C01+
 |   |      |      |
fin has   scale    .

eagle has wing .

  +---C03C12--+
  |    +C08C12+C12C01+
  |    |      |      |
eagle has   wing     .

wing has feather .



[wing] [has] [feather] [.]

wing isa extremity .



[wing] [isa] [extremity] [.]

herring isa fish .



[herring] [isa] [fish] [.]

herring has fin .

   +---C09C06---+
   |     +C08C06+C06C01+
   |     |      |      |
herring has    fin     .

parrot isa bird .

   +---C03C02--+
   |    +C10C02+C02C01+
   |    |      |      |
parrot isa   bird     .

parrot has wing .

   +---C03C12--+
   |    +C08C12+C12C01+
   |    |      |      |
parrot has   wing     .

Bye.