###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q15446815: Herbert Blau (Q15446815) : American director and theoretician of performance : ( delete | history | links | entity usage | logs ) Merged with Q5733639 . — Ivan A. Krestinin ( talk ) 17:27, 5 January 2014 (UTC)