###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q7449307: Semi-inner-product (Q7449307) : generalization of inner products that applies to all normed spaces : ( delete | history | links | entity usage | logs ) Merged with Q2269045 . Quickbaster ( talk ) 22:15, 19 February 2014 (UTC)