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: chain orient 
 Entity 2: amino acid

SOLUTION: yes

PROBLEM: Entity 1: table salt 
 Entity 2: chlorine

SOLUTION: yes

PROBLEM: Entity 1: human body 
 Entity 2: dna

SOLUTION:
yes