###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12858900: extinction event (Q12858900) : widespread and rapid decrease in the amount of life on earth : ( delete | history | links | entity usage | logs ) Merged to Q55814 . Osiris ( talk ) 08:56, 4 July 2013 (UTC)