Represent the given dialogue about an image, which is used for image retrieval: Q:is it a single track
A:yes
Q:do you think the train is electric or steam
A:electric
Q:what color is the engine
A:don't see it
Q:are people getting on or off
A:they are standing near the train
Q:do the commuters look like office workers
A:no
Q:is the train station new and modern, or old
A:can't see the station, just the train
Q:how many cars can you see
A:3
Q:is there anything about the photo that shows what country it might be in
A:no
Q:is there anything else visible
A:a bridge, bus, skylights
Q:what color are the train cars
A:gray


['images/VisDial/Train/VisDial_image_53846.jpg', 'images/VisDial/Train/VisDial_image_23974.jpg', 'images/VisDial/Train/VisDial_image_25320.jpg', 'images/VisDial/Train/VisDial_image_92097.jpg', 'images/VisDial/Train/VisDial_image_79699.jpg', 'images/VisDial/Train/VisDial_image_64665.jpg', 'images/VisDial/Train/VisDial_image_36276.jpg', 'images/VisDial/Train/VisDial_image_83049.jpg', 'images/VisDial/Train/VisDial_image_28847.jpg', 'images/VisDial/Train/VisDial_image_106247.jpg', 'images/VisDial/Train/VisDial_image_101520.jpg', 'images/VisDial/Train/VisDial_image_106962.jpg']