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).

Entity 1: pustule 
 Entity 2: transport pathway
no

Entity 1: circuit 
 Entity 2: flow electron
yes

Entity 1: ampulla 
 Entity 2: reverberation

no