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: orang 
 Entity 2: skin

SOLUTION: yes

PROBLEM: Entity 1: grow embryo 
 Entity 2: gene

SOLUTION: yes

PROBLEM: Entity 1: brain cancer 
 Entity 2: cell

SOLUTION:
yes