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: compound 
 Entity 2: bond

SOLUTION: yes

PROBLEM: Entity 1: wild pig 
 Entity 2: tail

SOLUTION: yes

PROBLEM: Entity 1: vaccine 
 Entity 2: mercury

SOLUTION:
yes