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: sedimentary rock 
 Entity 2: copper
yes

Entity 1: raspberry 
 Entity 2: choline
yes

Entity 1: back leg 
 Entity 2: fat

yes