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: larval specie 
 Entity 2: divide ventricle

SOLUTION: no

PROBLEM: Entity 1: bad breath 
 Entity 2: interaction

SOLUTION: no

PROBLEM: Entity 1: protein molecule 
 Entity 2: peptide

SOLUTION:
yes