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: cricket 
 Entity 2: antennae
Example Output: yes

Example Input: Entity 1: plant 's stem 
 Entity 2: corm
Example Output: yes

Example Input: Entity 1: lion 
 Entity 2: mast cell
Example Output:
no