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: pratincole 
 Entity 2: tail
yes

Entity 1: woodpecker 
 Entity 2: bone
yes

Entity 1: spinach 
 Entity 2: tail

no