###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q25551783: carbon cycle (Q25551783) : biogeochemical cycle by which carbon is exchanged among the biosphere : ( delete | history | links | entity usage | logs ) Another already exists B. Jankuloski ( talk ) 10:21, 1 March 2018 (UTC)