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: motor vehicle exhaust 
 Entity 2: leaf petiole

Output: no


Input: Consider Input: Entity 1: photosystem 
 Entity 2: carotenoid

Output: yes


Input: Consider Input: Entity 1: ste nematode 
 Entity 2: region


Output: yes