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).

Entity 1: earwig 
 Entity 2: egg
no

Entity 1: grass 
 Entity 2: spikelet
yes

Entity 1: wood and plant matter 
 Entity 2: fiber

yes