###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q5137185: serotonin–norepinephrine reuptake inhibitor (Q5137185) : class of antidepressant drugs used in the treatment of major depressive disorder : ( delete | history | links | entity usage | logs ) Merged with Q2273909 . Purielku ( talk ) 11:10, 11 September 2013 (UTC)