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: kidney 
 Entity 2: gland
yes

Entity 1: turnip 
 Entity 2: feeder root
yes

Entity 1: atom 
 Entity 2: atomic number

yes