Represent the given dialogue about an image, which is used for image retrieval: Q:is there a train visible
A:yes
Q:what is the bridge made of
A:steel maybe, i don't know
Q:what color is the train's engine
A:i can't see the engine
Q:is there a water source
A:yes
Q:are there any clouds
A:no
Q:is the water reflective
A:no
Q:can you see any tracks
A:no
Q:any smoke coming out that train
A:no
Q:any birds in the picture
A:no
Q:what else do you see
A:rocks, mountains, sky


['images/VisDial/Train/VisDial_image_84425.jpg', 'images/VisDial/Train/VisDial_image_85587.jpg', 'images/VisDial/Train/VisDial_image_56048.jpg', 'images/VisDial/Train/VisDial_image_50472.jpg', 'images/VisDial/Train/VisDial_image_47289.jpg', 'images/VisDial/Train/VisDial_image_1284.jpg', 'images/VisDial/Train/VisDial_image_122649.jpg', 'images/VisDial/Train/VisDial_image_60488.jpg', 'images/VisDial/Train/VisDial_image_75789.jpg', 'images/VisDial/Train/VisDial_image_63554.jpg', 'images/VisDial/Train/VisDial_image_75529.jpg', 'images/VisDial/Train/VisDial_image_110573.jpg']