###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q17105358: Pressure head (Q17105358) : In fluid mechanics, the height of a liquid column : ( delete | history | links | entity usage | logs ) Merged with Q1190625 . Aurora ( talk ) 11:55, 28 June 2014 (UTC)