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: matter 
 Entity 2: neutrinos
yes

Entity 1: peel 
 Entity 2: blotch
no

Entity 1: cultured pearl 
 Entity 2: body

no