In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The eighteenth edition ( 2012 ) was edited by poet , critic , and editor Geoffrey O 'Brien .
The eighteenth edition , which came out in 2012 , was edited by poet , critic , and editor Geoffrey O 'Brien ( O 'Brien is also the editor-in-chief of the Library of America ) .

Auto-Tune became famous again in the mid-2000s when R & B singer T-Pain made active use of it in his songs .
The use of Auto-Tune as a vocal effect was bolstered in the late 2000s by hip hop / R & B recording artist T-Pain who elaborated on the effect and made active use of Auto-Tune in his songs .

However , two B vitamins , niacin and riboflavin , bind with adenine to form the essential cofactors NAD and FAD respectively .

However , two B vitamins , niacin and riboflavin , bind with adenine to form the essential cofactors nicotinamide adenine dinucleotide ( NAD ) and flavin adenine dinucleotide ( FAD ) , respectively .