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: flatworm 
 Entity 2: claws
no

Entity 1: specie 
 Entity 2: jaw bone
no

Entity 1: bird 
 Entity 2: insulation

yes