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: convulsion 
 Entity 2: head
Example Output: yes

Example Input: Entity 1: humectant 
 Entity 2: dystrophin
Example Output: no

Example Input: Entity 1: lung 
 Entity 2: enzyme ptyalin
Example Output:
no