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: diatom 
 Entity 2: silicon dioxide

Answer: yes


Question: Entity 1: blue heron 
 Entity 2: red blood cell

Answer: no


Question: Entity 1: tract 
 Entity 2: nerve

Answer:
yes