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: gopher 
 Entity 2: plastron

SOLUTION: no

PROBLEM: Entity 1: wolf 
 Entity 2: paw

SOLUTION: yes

PROBLEM: Entity 1: sacs 
 Entity 2: organ

SOLUTION:
no