###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12859777: square kilometre (Q12859777) : decimal multiple of the SI unit of surface area : ( delete | history | links | entity usage | logs ) Merged with Q712226 . Osiris ( talk ) 02:21, 12 August 2013 (UTC)