###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q11156865: tree hollow (Q11156865) : a semi-enclosed cavity which has naturally formed in the trunk or branch of a tree : ( delete | history | links | entity usage | logs ) Merged with Q2392414 .
-- Xth-Floor ( talk ) 13:07, 5 December 2013 (UTC)