Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the smoke
A:gray
Q:is it from the train or a large group of people smoking cigars
A:it is the train
Q:what color is the train
A:black it is just the engine
Q:does the train have a face on it like the children's cartoon
A:no
Q:how many wheels can you see on the train
A:just the front wheels
Q:can you see any passengers
A:no there are no passengers
Q:can you see any hitchhikers riding on the train, like hobos
A:no there are no cars just the engine there is only 1 person in the photo
Q:are there any mountains around
A:not that i can see
Q:is the single person in the photo a train conductor with a cool hat
A:no but the person is some kind of employee
Q:what color are the stones of the tunnel
A:gray and black


['images/VisDial/Train/VisDial_image_62073.jpg', 'images/VisDial/Train/VisDial_image_75254.jpg', 'images/VisDial/Train/VisDial_image_384.jpg', 'images/VisDial/Train/VisDial_image_61229.jpg', 'images/VisDial/Train/VisDial_image_73747.jpg', 'images/VisDial/Train/VisDial_image_32009.jpg', 'images/VisDial/Train/VisDial_image_14263.jpg', 'images/VisDial/Train/VisDial_image_68377.jpg', 'images/VisDial/Train/VisDial_image_56117.jpg', 'images/VisDial/Train/VisDial_image_96949.jpg', 'images/VisDial/Train/VisDial_image_47613.jpg', 'images/VisDial/Train/VisDial_image_3929.jpg']