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: phosphate 
 Entity 2: forelimb
Example Output: no

Example Input: Entity 1: name 
 Entity 2: hormone
Example Output: no

Example Input: Entity 1: nitrogen 
 Entity 2: covalent molecule
Example Output:
yes