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: spirea 
 Entity 2: thorax
no

Entity 1: animal bone 
 Entity 2: and mineral component
yes

Entity 1: water hardness 
 Entity 2: trace mineral

no