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).

Input: Consider Input: Entity 1: membrane surface 
 Entity 2: back

Output: no


Input: Consider Input: Entity 1: tea 
 Entity 2: substance

Output: yes


Input: Consider Input: Entity 1: hand 
 Entity 2: ligament


Output: yes