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: downy woodpecker 
 Entity 2: blue-green fungal spores
Example Output: no

Example Input: Entity 1: body 
 Entity 2: blood
Example Output: no

Example Input: Entity 1: masse 
 Entity 2: underlie dura mater
Example Output:
yes