###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q16665264: congruence relation (Q16665264) : equivalence relation in algebra : ( delete | history | links | entity usage | logs ) Merged with Q8349849 the same. Bezik ( talk ) 21:21, 24 August 2014 (UTC)