###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q16304458: QRS complex (Q16304458) : combination of three of the graphical deflections seen on a typical electrocardiogram : ( delete | history | links | entity usage | logs ) Merged with Q15910129 . Ahoerstemeier ( talk ) 09:36, 19 May 2014 (UTC)