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: sea cucumber 
 Entity 2: organ
Example Output: yes

Example Input: Entity 1: copulation 
 Entity 2: crystallise chunk
Example Output: no

Example Input: Entity 1: hoof 
 Entity 2: ethyl mercury
Example Output:
no