Given two entities as input, classify as "yes" if second entity is the part of the first entity. Otherwise classify them as "no". These are entities of meronym In linguistics, meronymy is a semantic relation between a meronym denoting a part and a holonym denoting a whole. In simpler terms, a meronym (i.e., second entity) is in a part-of relationship with its holonym (i.e., first entity).
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Question: Entity 1: paper wasp 
 Entity 2: lung

Answer: no


Question: Entity 1: nervous system 
 Entity 2: midvein

Answer: no


Question: Entity 1: billfishes 
 Entity 2: retina

Answer:
yes