###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q9159590: Ariel 2 (Q9159590) : radio astronomy satellite : ( delete | history | links | entity usage | logs ) Merged with Q795127 . — Ivan A. Krestinin ( talk ) 14:06, 24 July 2013 (UTC)