###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q3399542: attosecond (Q3399542) : SI unit of time : ( delete | history | links | entity usage | logs ) Merged with Q2483628 . Fomafix ( talk ) 08:35, 14 September 2013 (UTC)