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: carpel 
 Entity 2: two sperm cell
yes

Entity 1: downy woodpecker 
 Entity 2: stolon
no

Entity 1: prey 
 Entity 2: valve

no