###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q16051486: serum iron (Q16051486) : amount of circulating iron in a bloodstream that is bound to transferrin and serum ferritin : ( delete | history | links | entity usage | logs ) Merged with Q3068471 . Calak ( talk ) 16:43, 24 April 2014 (UTC)