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: shell 
 Entity 2: leave

Output: no


Input: Consider Input: Entity 1: breast cancer 
 Entity 2: mucus

Output: no


Input: Consider Input: Entity 1: leech 
 Entity 2: tail


Output: yes