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: savanna 
 Entity 2: methane gas
Example Output: no

Example Input: Entity 1: multivitamin 
 Entity 2: crest
Example Output: no

Example Input: Entity 1: polecat 
 Entity 2: scent gland
Example Output:
yes