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: butterfly 
 Entity 2: club

SOLUTION: yes

PROBLEM: Entity 1: bird 
 Entity 2: nephron

SOLUTION: yes

PROBLEM: Entity 1: tortoise 
 Entity 2: elephant - foot

SOLUTION:
yes