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Find a Wikipedia image that answers this question: What color coat are both men wearing in the painted portraits of Hugh Grosvenor, Duke of Westminster and Robert, 1st Marquess?

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Represent the given Wikipedia image with related text information: Robert, 1st Marquess.

['<|image_1|>\nRepresent the given Wikipedia image with related text information: Unknown French artist, Portrait of a Young Man (NGA, 1961.9.18).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Portrait of a Young Nobleman by Nicolas de Largilliere, c. 1714, oil on canvas - National Museum of Western Art, Tokyo - DSC08590  Painting in the National Museum of Western Art, Tokyo, Japan. This artwork is in the public domain because the artist died more than 70 years ago. Photography was permitted in the museum without restriction.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Holkham Hall 20080717-08 Holkham Hall in Norfolk. The Saloon.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Paris.louvre.painting.750pix.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Portrait of an Old Man Rembrandt 1645.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Mary Cassatt - Portrait of the Artist - MMA 1975.319.1.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Louis le dernier3 crop.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Falkensteiner Retabel Drehflügel rechts außen.\n', "<|image_1|>\nRepresent the given Wikipedia image with related text information: Vincent Van Gogh at Musee D'Orsay (35088515061).\n", '<|image_1|>\nRepresent the given Wikipedia image with related text information: Jean-auguste-dominique ingres, madame moitessier, 1856, 01 French paintings in the National Gallery, London.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Henri-edmond cross, veduta del bacino di san marco, 1903-1905 ca Courtesy of Richard Green.\n']
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