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: commerce 
 Entity 2: bloodstream
Example Output: yes

Example Input: Entity 1: chain orient 
 Entity 2: amino acid
Example Output: yes

Example Input: Entity 1: diet 
 Entity 2: fatty acid
Example Output:
yes