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).

Example Input: Entity 1: pecan 
 Entity 2: leave
Example Output: yes

Example Input: Entity 1: membrane 
 Entity 2: sarcomere
Example Output: no

Example Input: Entity 1: vehicle exhaust 
 Entity 2: carbon monoxide
Example Output:
yes