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: whole grain 
 Entity 2: ribbed ovary
Example Output: no

Example Input: Entity 1: snout 
 Entity 2: nostril
Example Output: yes

Example Input: Entity 1: streamline bird 
 Entity 2: wing
Example Output:
yes