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: flatworm 
 Entity 2: claws

SOLUTION: no

PROBLEM: Entity 1: duck 
 Entity 2: bill

SOLUTION: yes

PROBLEM: Entity 1: rat 
 Entity 2: os penis

SOLUTION:
yes