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: bloodworm 
 Entity 2: cell

SOLUTION: no

PROBLEM: Entity 1: gecko 
 Entity 2: goosebump

SOLUTION: no

PROBLEM: Entity 1: urine 
 Entity 2: peritoneal ligament

SOLUTION:
no