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: joint 
 Entity 2: cartilage
yes

Entity 1: protein food 
 Entity 2: tuber
no

Entity 1: milk 
 Entity 2: nerve

no