Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the train
A:silver
Q:can you see any people
A:no
Q:is this outside
A:no
Q:what else do you see in the scene
A:platform
Q:what color is the platform
A:grey and blue
Q:what shade of blue it 
A:a bit darker than a sky blue
Q:how many doors are open
A:i can see 3
Q:are there any windows
A:yes
Q:can you see through them
A:only 1
Q:what's in there
A:seats and poles


['images/VisDial/Train/VisDial_image_15673.jpg', 'images/VisDial/Train/VisDial_image_101519.jpg', 'images/VisDial/Train/VisDial_image_82280.jpg', 'images/VisDial/Train/VisDial_image_7827.jpg', 'images/VisDial/Train/VisDial_image_25973.jpg', 'images/VisDial/Train/VisDial_image_65951.jpg', 'images/VisDial/Train/VisDial_image_67133.jpg', 'images/VisDial/Train/VisDial_image_6712.jpg', 'images/VisDial/Train/VisDial_image_102618.jpg', 'images/VisDial/Train/VisDial_image_10436.jpg', 'images/VisDial/Train/VisDial_image_95960.jpg', 'images/VisDial/Train/VisDial_image_16952.jpg']