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: fen 
 Entity 2: underground stem

Output: no


Input: Consider Input: Entity 1: wheat 
 Entity 2: fat

Output: no


Input: Consider Input: Entity 1: body 
 Entity 2: growth hormone


Output: yes