###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12045319: pilot experiment (Q12045319) : small scale preliminary study conducted in order to evaluate feasibility, duration, cost, adverse events, and improve upon the study design prior to performance of a full-scale research project : ( delete | history | links | entity usage | logs ) M w Q1203526 . Littledogboy ( talk ) 11:45, 8 June 2013 (UTC)