###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q3571098: xenobiology (Q3571098) : the study of synthesizing and manipulating biological devices and systems : ( delete | history | links | entity usage | logs ) Merged to Q3545894 . -- Bluemask ( talk ) 04:24, 20 April 2013 (UTC)