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: atom 
 Entity 2: chest

SOLUTION: no

PROBLEM: Entity 1: anxiety 
 Entity 2: neurotransmitter

SOLUTION: yes

PROBLEM: Entity 1: structure 
 Entity 2: carbon

SOLUTION:
yes