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: cranium 
 Entity 2: trunk

Answer: no


Question: Entity 1: anxiety 
 Entity 2: neurotransmitter

Answer: yes


Question: Entity 1: tracheal system 
 Entity 2: spiracle

Answer:
yes