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: human 
 Entity 2: oral cavity
Example Output: yes

Example Input: Entity 1: orchid 
 Entity 2: collagen fiber
Example Output: no

Example Input: Entity 1: water s surface 
 Entity 2: gene product
Example Output:
no