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: cranium 
 Entity 2: trunk

SOLUTION: no

PROBLEM: Entity 1: cockerel 
 Entity 2: double-tubed siphon

SOLUTION: no

PROBLEM: Entity 1: salamander 
 Entity 2: calcium carbonate

SOLUTION:
no