###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12830789: radio wave (Q12830789) : type of electromagnetic radiation : ( delete | history | links | entity usage | logs ) Merged with Q4262 . Olaf Studt ( talk ) 19:16, 22 November 2014 (UTC)