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: stomach 
 Entity 2: surface

Output: yes


Input: Consider Input: Entity 1: poppy 
 Entity 2: flower

Output: yes


Input: Consider Input: Entity 1: skin 
 Entity 2: melanin


Output: no