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Find a Wikipedia image that answers this question: What color are the directional road signs on the highway while driving through Castro Valley, CA?

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Represent the given Wikipedia image with related text information: 2011, USA, CA, Castro Valley - panoramio (6).

['<|image_1|>\nRepresent the given Wikipedia image with related text information: Safeway on TV Highway at night - Hillsboro, Oregon.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Beverly Hills Sydney.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Armenia, Gagarin. Main road Gagarin village in Armenia. Main road.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Sunset Blvd Beverly Hills LA CA USA.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Rodeo Drive LA.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Civic Center, San Francisco, CA 94102, USA - panoramio (11).\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Civic Center - Merced, California 1.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Rodeo Drive Beverly Hills.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Main road 82 in Kemijärvi  The intersection of the highway 5 (E63) and highway 82 in Kemijarvi, Finland, towards Rovaniemi. Highway 82 towards Rovaniemi Highway 5 (E63) towards Sodankyla Highway 5/82 (E63) from Kemijarvi.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: Union Square, SF from across the street 1.\n', '<|image_1|>\nRepresent the given Wikipedia image with related text information: БеверлиХилс-2007.\n']
['images/WebQA/Train/30051643.jpg', 'images/WebQA/Train/30219365.jpg', 'images/WebQA/Train/30310511.jpg', 'images/WebQA/Train/30299926.jpg', 'images/WebQA/Train/30015835.jpg', 'images/WebQA/Train/30152651.jpg', 'images/WebQA/Train/30033555.jpg', 'images/WebQA/Train/30128646.jpg', 'images/WebQA/Train/30307135.jpg', 'images/WebQA/Train/30152420.jpg', 'images/WebQA/Train/30035883.jpg']