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: cell wall 
 Entity 2: vesicle
Example Output: yes

Example Input: Entity 1: kelp 
 Entity 2: rootstock
Example Output: no

Example Input: Entity 1: healthy body 
 Entity 2: reproductive organ
Example Output:
no