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: plover 
 Entity 2: beak
yes

Entity 1: membrane 
 Entity 2: sarcomere
no

Entity 1: reproduction system 
 Entity 2: cancer

yes