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: plant 
 Entity 2: area

SOLUTION: no

PROBLEM: Entity 1: internal combustion engine 
 Entity 2: cylinder

SOLUTION: yes

PROBLEM: Entity 1: fiber 
 Entity 2: network

SOLUTION:
no