###Instruction: Multi-class classification, answer with one of the labels:['no_consensus', 'delete', 'keep', 'comment', 'merge', 'redirect'] : ###Input:  Q65553431: High Proper-Motion Stars in the Vicinity of Sagittarius A*: Evidence for a Supermassive Black Hole at the Center of Our Galaxy (Q65553431) : scientific article published in the Astrophysical Journal : ( delete | history | links | entity usage | logs ) Item already exists as Q55878462. Realised after the same DOI Alert! Sorry about that.
-- Wallacegromit1 ( talk ) 16:52, 13 July 2019 (UTC)