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Term 1: Term 2:

(subclass Chicken Poultry) Mid-level-ontology.kif 20225-20225 鸡 是 家禽 的 subclass
(subclass Hen Chicken) Mid-level-ontology.kif 20229-20229 母鸡 是 鸡 的 subclass
(subclass Rooster Chicken) Mid-level-ontology.kif 20238-20238 公鸡 是 鸡 的 subclass


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