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: indian hawthorn 
 Entity 2: leave
yes

Entity 1: snow 
 Entity 2: ice needle
yes

Entity 1: earth 's surface 
 Entity 2: nematode

no