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: sarcoidosis 
 Entity 2: tissue
yes

Entity 1: base 
 Entity 2: form spore
no

Entity 1: shoulder bone 
 Entity 2: ligament

yes