Represent the given dialogue about an image, which is used for image retrieval: Q:can you see any people in this picture
A:no
Q:is this at a train station
A:yes
Q:how many trains can you see
A:about 4
Q:what color are the trains
A:gray, red
Q:what color are his shoes
A:there are no people
Q:are there any buildings visible
A:i see part of a train station
Q:what color is the building
A:green, brown
Q:is the building made of brick
A:no, maybe concrete
Q:what time of day is it
A:daytime
Q:can you see any signs
A:no


['images/VisDial/Train/VisDial_image_8585.jpg', 'images/VisDial/Train/VisDial_image_112213.jpg', 'images/VisDial/Train/VisDial_image_113832.jpg', 'images/VisDial/Train/VisDial_image_13440.jpg', 'images/VisDial/Train/VisDial_image_65109.jpg', 'images/VisDial/Train/VisDial_image_85642.jpg', 'images/VisDial/Train/VisDial_image_42896.jpg', 'images/VisDial/Train/VisDial_image_114244.jpg', 'images/VisDial/Train/VisDial_image_30735.jpg', 'images/VisDial/Train/VisDial_image_21811.jpg', 'images/VisDial/Train/VisDial_image_101547.jpg', 'images/VisDial/Train/VisDial_image_61568.jpg']