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: plant 
 Entity 2: ear
Example Output: yes

Example Input: Entity 1: earth 's crust 
 Entity 2: amylase
Example Output: no

Example Input: Entity 1: liver 
 Entity 2: estrone
Example Output:
yes