###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12812468: viral evolution (Q12812468) : subfield of evolutionary biology and virology concerned with the evolution of viruses : ( delete | history | links | entity usage | logs ) Merged with Q2066554 . — NatigKrolik ™ contributions 07:55, 30 October 2013 (UTC)