Task: Question Answering
Input (English): Passage: There are many innovative art galleries in the city. The Southampton City Art Gallery at the Civic Centre is one of the best known and as well as a nationally important Designated Collection, houses several permanent and travelling exhibitions. The Millais Gallery at Southampton Solent University, the John Hansard Gallery at Southampton University as well as smaller galleries including the Art House in Above Bar Street provide a different view. The city's Bargate is also an art gallery run by the arts organisation "a space". A space also run the Art Vaults project, which creatively uses several of Southampton's medieval vaults, halls and cellars as venues for contemporary art installations. Question: What's the all-lowercase named arts organization in charge of the art gallery in Southampton's Bargate?
Output (English): a space