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: pewter 
 Entity 2: tooth
Example Output: no

Example Input: Entity 1: pustule 
 Entity 2: transport pathway
Example Output: no

Example Input: Entity 1: nut 
 Entity 2: cholesterol
Example Output:
yes