23 lines
166 B
Text
23 lines
166 B
Text
class
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ANIMAL
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end
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class
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DOG
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inherit
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ANIMAL
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end
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class
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CAT
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inherit
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ANIMAL
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end
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class
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LAB
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inherit
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DOG
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end
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class
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COLLIE
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inherit
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DOG
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end
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