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: hormone - dependent cancer 
 Entity 2: sex hormone

SOLUTION: yes

PROBLEM: Entity 1: dog 
 Entity 2: hair

SOLUTION: yes

PROBLEM: Entity 1: land s surface 
 Entity 2: soil

SOLUTION:
yes