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: bull 
 Entity 2: horn
Example Output: yes

Example Input: Entity 1: gamete 
 Entity 2: and filament
Example Output: no

Example Input: Entity 1: ground - level ozone pollution 
 Entity 2: neck
Example Output:
no