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: shell 
 Entity 2: leave

Answer: no


Question: Entity 1: sedimentary rock 
 Entity 2: copper

Answer: yes


Question: Entity 1: fern 
 Entity 2: structure

Answer:
yes