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: vocal fold 
 Entity 2: callous-like growths

SOLUTION: yes

PROBLEM: Entity 1: earth 's mantle 
 Entity 2: nerve

SOLUTION: no

PROBLEM: Entity 1: food item 
 Entity 2: organic acid

SOLUTION:
yes