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: live thing 
 Entity 2: copper

SOLUTION: yes

PROBLEM: Entity 1: animal tissue 
 Entity 2: two or three tooth

SOLUTION: no

PROBLEM: Entity 1: body 
 Entity 2: endorphin

SOLUTION:
yes