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: air sacs 
 Entity 2: cell organelle
Example Output: no

Example Input: Entity 1: pratincole 
 Entity 2: tail
Example Output: yes

Example Input: Entity 1: water 
 Entity 2: calcium
Example Output:
yes