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: vertebrae 
 Entity 2: mast cell
Example Output: yes

Example Input: Entity 1: aardvark 
 Entity 2: lobe
Example Output: no

Example Input: Entity 1: ray 
 Entity 2: cartilage
Example Output:
yes