Represent the given dialogue about an image, which is used for image retrieval: Q:is this tunnel going underground
A:no it's above ground
Q:what is the tunnel made of
A:gray concrete
Q:can you see both ends of the tunnel
A:yes
Q:what color is the car
A:white or gray
Q:are there buildings around the street
A:yes
Q:is there something on top of the tunnel
A:no
Q:how many lanes is the street
A:it's a 1 lane road
Q:can you guess what the purpose of the tunnel is
A:let cars pass to the other side of the road
Q:i don't understand, why did the tunnel have to be there at all, is it going through something
A:it's in between 2 buildings
Q:oh ok, that’s a little clearer, are there any pedestrians
A:no people


['images/VisDial/Train/VisDial_image_49747.jpg', 'images/VisDial/Train/VisDial_image_89008.jpg', 'images/VisDial/Train/VisDial_image_112374.jpg', 'images/VisDial/Train/VisDial_image_67645.jpg', 'images/VisDial/Train/VisDial_image_27455.jpg', 'images/VisDial/Train/VisDial_image_59.jpg', 'images/VisDial/Train/VisDial_image_112113.jpg', 'images/VisDial/Train/VisDial_image_90813.jpg', 'images/VisDial/Train/VisDial_image_120178.jpg', 'images/VisDial/Train/VisDial_image_93561.jpg', 'images/VisDial/Train/VisDial_image_48980.jpg', 'images/VisDial/Train/VisDial_image_105087.jpg']