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: nuclear fission 
 Entity 2: atom

SOLUTION: yes

PROBLEM: Entity 1: honey 
 Entity 2: steam

SOLUTION: no

PROBLEM: Entity 1: rock 
 Entity 2: jelly cluster

SOLUTION:
yes