###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q28914279: heat pump (Q28914279) : device that transfers thermal energy in the opposite direction of spontaneous heat transfer : ( delete | history | links | entity usage | logs ) Already in use with Q131313 -- Saracatarina167 ( talk ) 11:41, 8 March 2017 (UTC) On hold This item is linked from 1 other. -- DeltaBot ( talk ) 12:10, 8 March 2017 (UTC)