###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q7451911: DL-sepiapterin (Q7451911) : pair of isomers : ( delete | history | links | entity usage | logs ) Merged with Q2271580 . — Ivan A. Krestinin ( talk ) 21:02, 25 January 2014 (UTC)