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: charcoal 
 Entity 2: carbon monoxide gas
Example Output: yes

Example Input: Entity 1: nervous system 
 Entity 2: midvein
Example Output: no

Example Input: Entity 1: fungus 
 Entity 2: gut
Example Output:
no