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: gravel 
 Entity 2: tin
Example Output: yes

Example Input: Entity 1: pecan 
 Entity 2: leave
Example Output: yes

Example Input: Entity 1: earth 
 Entity 2: deep layer
Example Output:
yes