###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q3319424: visitor pattern (Q3319424) : design pattern : ( delete | history | links | entity usage | logs ) Merged with Q830719 . Cathy Richards ( talk ) 15:49, 21 September 2013 (UTC)