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: cancer cell surface 
 Entity 2: disc

SOLUTION: no

PROBLEM: Entity 1: stem 
 Entity 2: dendrite

SOLUTION: no

PROBLEM: Entity 1: nucleus 
 Entity 2: hadron

SOLUTION:
yes