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: tear 
 Entity 2: enzyme
Example Output: yes

Example Input: Entity 1: lactose 
 Entity 2: hydrogen gas
Example Output: yes

Example Input: Entity 1: black wildebeest 
 Entity 2: surface layer
Example Output:
no