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: saccule 
 Entity 2: jaws
no

Entity 1: cytoplasm 
 Entity 2: inclusion
yes

Entity 1: ferret 
 Entity 2: tail

no