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).

Input: Consider Input: Entity 1: butterfly 
 Entity 2: club

Output: yes


Input: Consider Input: Entity 1: walnut hull 
 Entity 2: enzyme

Output: no


Input: Consider Input: Entity 1: copper sulphate 
 Entity 2: copper ion


Output: yes