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: spore 
 Entity 2: conidiophore
yes

Entity 1: human voice 
 Entity 2: chord
yes

Entity 1: mayfly 
 Entity 2: gas

no