###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12414489: observational astronomy (Q12414489) : field of astronomy concerned with recording data about the observable universe : ( delete | history | links | entity usage | logs ) Merged with Q818557 . ☆★ Sanjeev Kumar ( talk ) 20:39, 27 June 2014 (UTC)