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: seed plant 
 Entity 2: root

SOLUTION: yes

PROBLEM: Entity 1: skeleton 
 Entity 2: tube

SOLUTION: yes

PROBLEM: Entity 1: rabbit 
 Entity 2: cavity

SOLUTION:
yes