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: body 
 Entity 2: vein
Example Output: yes

Example Input: Entity 1: acid 
 Entity 2: artery
Example Output: no

Example Input: Entity 1: breast milk 
 Entity 2: oil
Example Output:
no