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: acid 
 Entity 2: uterus
no

Entity 1: skull 
 Entity 2: myelin
no

Entity 1: computer 's operating system 
 Entity 2: hair

no