###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q3880268: Output transformerless (Q3880268) : audio amplifier output stage coupling method : ( delete | history | links | entity usage | logs ) Duplicate of Q7112867 . Moroboshi ( talk ) 04:27, 11 June 2013 (UTC)