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: chickweed 
 Entity 2: long whisker
Example Output: no

Example Input: Entity 1: x chromosome 
 Entity 2: gene
Example Output: yes

Example Input: Entity 1: antenna 
 Entity 2: chlorophyll
Example Output:
yes