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: bird 
 Entity 2: hair
no

Entity 1: diaper area 
 Entity 2: sweat gland
yes

Entity 1: complex behavior 
 Entity 2: tear

no