###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q12817843: allochthon (Q12817843) : large block of rock which has been moved from its original site of formation, usually by low angle thrust faulting : ( delete | history | links | entity usage | logs ) Merged with Q1979583 . Jianhui67 talk ★ contribs 09:30, 15 December 2013 (UTC)