Represent the given dialogue about an image, which is used for image retrieval: Q:is this daytime
A:yes it is
Q:what color is the train
A:it is a freight train, some cars are red and some are yellow
Q:so the train is on the bridge
A:yes, crossing a dam
Q:can you see the trains number
A:not from this distance
Q:is it sunny
A:not sunny
Q:is the sky visible in the image
A:yes
Q:so it's overcast
A:i would say so
Q:is it a large dam
A:not particularly
Q:any trees
A:a few on either side of the bridge
Q:how about mountains in the background
A:i don't see any


['images/VisDial/Train/VisDial_image_31821.jpg', 'images/VisDial/Train/VisDial_image_107175.jpg', 'images/VisDial/Train/VisDial_image_42113.jpg', 'images/VisDial/Train/VisDial_image_77483.jpg', 'images/VisDial/Train/VisDial_image_63554.jpg', 'images/VisDial/Train/VisDial_image_68085.jpg', 'images/VisDial/Train/VisDial_image_51338.jpg', 'images/VisDial/Train/VisDial_image_65159.jpg', 'images/VisDial/Train/VisDial_image_113263.jpg', 'images/VisDial/Train/VisDial_image_47909.jpg', 'images/VisDial/Train/VisDial_image_41452.jpg', 'images/VisDial/Train/VisDial_image_88593.jpg']