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: cactus 
 Entity 2: flower
Example Output: yes

Example Input: Entity 1: ocean floor 
 Entity 2: structure
Example Output: no

Example Input: Entity 1: bivalve 
 Entity 2: head
Example Output:
yes