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: tracheal system 
 Entity 2: spiracle

Output: yes


Input: Consider Input: Entity 1: wood 
 Entity 2: glade

Output: yes


Input: Consider Input: Entity 1: skin 
 Entity 2: cavity


Output: no