###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q16522382: proof that π is irrational (Q16522382) : mathematical proof : ( delete | history | links | entity usage | logs ) Merged with Q3267775 .
-- Tudor987 ( talk ) 10:12, 31 August 2014 (UTC)