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).

Entity 1: pine nut 
 Entity 2: iodine
no

Entity 1: mump 
 Entity 2: four wing
no

Entity 1: four foot 
 Entity 2: letter

no