Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the train
A:i can only see the inside of the train
Q:do you see any passenger inside
A:no
Q:is the area clean
A:yes
Q:is this picture in color
A:yes
Q:is this in london
A:i don't think so
Q:is this in asia
A:maybe
Q:is the area well lit
A:not really
Q:do you see any ads
A:yes
Q:is this indoor
A:no
Q:what color are the ads
A:white


['images/VisDial/Train/VisDial_image_91749.jpg', 'images/VisDial/Train/VisDial_image_26428.jpg', 'images/VisDial/Train/VisDial_image_7590.jpg', 'images/VisDial/Train/VisDial_image_5874.jpg', 'images/VisDial/Train/VisDial_image_20971.jpg', 'images/VisDial/Train/VisDial_image_114000.jpg', 'images/VisDial/Train/VisDial_image_43024.jpg', 'images/VisDial/Train/VisDial_image_115739.jpg', 'images/VisDial/Train/VisDial_image_121861.jpg', 'images/VisDial/Train/VisDial_image_46349.jpg', 'images/VisDial/Train/VisDial_image_26579.jpg', 'images/VisDial/Train/VisDial_image_98238.jpg']