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: rod 
 Entity 2: salivary gland
Example Output: no

Example Input: Entity 1: bracken fern 
 Entity 2: flesh
Example Output: no

Example Input: Entity 1: cell 
 Entity 2: receptor
Example Output:
yes