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: nuclear fission 
 Entity 2: atom

Answer: yes


Question: Entity 1: leaf mid - rib 
 Entity 2: one or more tooth

Answer: yes


Question: Entity 1: guard cell 
 Entity 2: plasma membrane

Answer:
yes