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: boar 
 Entity 2: plasma protein
yes

Entity 1: and press grape 
 Entity 2: sperm
no

Entity 1: oyster 
 Entity 2: protein

yes