###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q15440297: Werner Kutzelnigg (Q15440297) : Austrian chemist : ( delete | history | links | entity usage | logs ) Merged with Q7983439 . — Ivan A. Krestinin ( talk ) 20:36, 30 December 2013 (UTC)