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: tar 
 Entity 2: alkane
yes

Entity 1: barrel cactus 
 Entity 2: food calorie
no

Entity 1: plasma 
 Entity 2: fibrinogen

yes