###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q5408997: Euler substitution (Q5408997) : method for integrating rational functions : ( delete | history | links | entity usage | logs ) Merged with Q4368359 . Jianhui67 talk ★ contribs 05:18, 25 December 2013 (UTC)