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: pineapple 
 Entity 2: wall

SOLUTION: no

PROBLEM: Entity 1: aardvark 
 Entity 2: lobe

SOLUTION: no

PROBLEM: Entity 1: body part 
 Entity 2: sebaceous gland

SOLUTION:
yes