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: nuclear fission 
 Entity 2: atom

Output: yes


Input: Consider Input: Entity 1: ovule 
 Entity 2: leg

Output: no


Input: Consider Input: Entity 1: fen 
 Entity 2: underground stem


Output: no