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: people 
 Entity 2: lung
Example Output: yes

Example Input: Entity 1: compound 
 Entity 2: bond
Example Output: yes

Example Input: Entity 1: perennial ryegras 
 Entity 2: leave
Example Output:
yes