###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q20578270: psychoactive drug (Q20578270) : chemical substance that affects brain function or perception : ( delete | history | links | entity usage | logs ) It is redirect to Q20578270 Voll ( talk ) 10:32, 9 December 2015 (UTC)