###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q5018834: calcium nitrite (Q5018834) : chemical compound : ( delete | history | links | entity usage | logs ) Merged with Q2749498 . — Ivan A. Krestinin ( talk ) 19:40, 25 March 2014 (UTC)