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: brain 
 Entity 2: enzyme
Example Output: no

Example Input: Entity 1: runner 
 Entity 2: organ
Example Output: no

Example Input: Entity 1: neuron 
 Entity 2: neurotrophins
Example Output:
yes