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: fox 
 Entity 2: tail

SOLUTION: no

PROBLEM: Entity 1: animal 
 Entity 2: vein

SOLUTION: yes

PROBLEM: Entity 1: plant 
 Entity 2: ear

SOLUTION:
yes