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: spider 
 Entity 2: polonium
no

Entity 1: billy goat 
 Entity 2: phytosterols

no