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: copulation 
 Entity 2: crystallise chunk
no

Entity 1: cat 
 Entity 2: tale
yes

Entity 1: spot bass 
 Entity 2: gill cover

yes