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: aardvark 
 Entity 2: lobe
no

Entity 1: razor clam 
 Entity 2: molecule
no

Entity 1: ant 's nest 
 Entity 2: mast

no