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: oolong tea 
 Entity 2: gland
no

Entity 1: circuit 
 Entity 2: flow electron
yes

Entity 1: tarantula 
 Entity 2: venom

yes