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: cat 
 Entity 2: cell

SOLUTION: no

PROBLEM: Entity 1: pear 
 Entity 2: fleshy leave

SOLUTION: yes

PROBLEM: Entity 1: plant 
 Entity 2: mouth stylet

SOLUTION:
yes