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: goldfish 
 Entity 2: white spot

SOLUTION: yes

PROBLEM: Entity 1: plover 
 Entity 2: beak

SOLUTION: yes

PROBLEM: Entity 1: purine ring 
 Entity 2: calcium

SOLUTION:
no