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: human body 
 Entity 2: melanin
Example Output: yes

Example Input: Entity 1: dog 
 Entity 2: system
Example Output: no

Example Input: Entity 1: surround tissue 
 Entity 2: calcium deposit
Example Output:
yes