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: carpel 
 Entity 2: two sperm cell
Example Output: yes

Example Input: Entity 1: wood 
 Entity 2: glade
Example Output: yes

Example Input: Entity 1: space vehicle 
 Entity 2: wing - fin
Example Output:
no