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: membrane surface 
 Entity 2: back
Example Output: no

Example Input: Entity 1: ground creep 
 Entity 2: rhizome
Example Output: yes

Example Input: Entity 1: skink lizard 
 Entity 2: bone
Example Output:
yes