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: foot rot 
 Entity 2: tip

SOLUTION: yes

PROBLEM: Entity 1: leave 
 Entity 2: flavone

SOLUTION: yes

PROBLEM: Entity 1: stomach 
 Entity 2: gastric acid

SOLUTION:
yes