TASK DEFINITION: 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).
PROBLEM: Entity 1: wheat 
 Entity 2: fat

SOLUTION: no

PROBLEM: Entity 1: organic compound 
 Entity 2: carbon skeleton

SOLUTION: yes

PROBLEM: Entity 1: accessory gland 
 Entity 2: secretion

SOLUTION:
yes