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: downy woodpecker 
 Entity 2: blue-green fungal spores
Example Output: no

Example Input: Entity 1: butterfly wing 
 Entity 2: sodium
Example Output: no

Example Input: Entity 1: food 
 Entity 2: sugar
Example Output:
yes