###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q6143521: Pocklington-Lehmer primality test (Q6143521) : no description : ( delete | history | links | entity usage | logs ) Merged into Q4241328 Sol1 ( talk ) 19:59, 7 October 2015 (UTC)