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: gamete 
 Entity 2: and filament

SOLUTION: no

PROBLEM: Entity 1: lining 
 Entity 2: spirally shell

SOLUTION: no

PROBLEM: Entity 1: oxygen 
 Entity 2: eight proton

SOLUTION:
yes