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: mammal 
 Entity 2: swelling
Example Output: no

Example Input: Entity 1: oyster 
 Entity 2: egg
Example Output: yes

Example Input: Entity 1: flower 
 Entity 2: nectar
Example Output:
yes