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: circuit 
 Entity 2: flow electron

SOLUTION: yes

PROBLEM: Entity 1: gram 
 Entity 2: eyeball

SOLUTION: no

PROBLEM: Entity 1: fast - flow water 
 Entity 2: smooth surface

SOLUTION:
yes