###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q18383949: Power analysis (Q18383949) : In cryptography, a side channel attack : ( delete | history | links | entity usage | logs ) Repeat with Q2845210 -- Leon3289 ( talk ) 07:15, 31 March 2018 (UTC)