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: gram 
 Entity 2: eyeball
Example Output: no

Example Input: Entity 1: ten - abdomen 
 Entity 2: hydrochloric acid
Example Output: no

Example Input: Entity 1: vulvae 
 Entity 2: urethra
Example Output:
yes