###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q9257133: Explorer 24 (Q9257133) : NASA atmospheric density research satellite : ( delete | history | links | entity usage | logs ) Merged with Q49879 . — Ivan A. Krestinin ( talk ) 16:02, 24 July 2013 (UTC)