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: aeroplane 
 Entity 2: wing
Example Output: yes

Example Input: Entity 1: squirrel 
 Entity 2: carbon dioxide gas
Example Output: no

Example Input: Entity 1: marl and sandstone 
 Entity 2: head
Example Output:
no