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: joint 
 Entity 2: end

SOLUTION: no

PROBLEM: Entity 1: mangrove 
 Entity 2: flap

SOLUTION: no

PROBLEM: Entity 1: crane 
 Entity 2: head

SOLUTION:
yes