###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q4421028: Systematic Evolution of Ligands by Exponential Enrichment (Q4421028) : trademark : ( delete | history | links | entity usage | logs ) Merged with Q907101 . 4th-otaku ( talk ) 15:15, 25 November 2013 (UTC)