Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the train
A:black
Q:how many tubes does it have
A:i can see 5 but i'm sure there's more
Q:how old does it look
A:kind of old, but still looks completely functional
Q:are there people on it
A:i can't see inside it
Q:what is the environment around it look like
A:i can only see the train and a bit of blue sky
Q:can you see tracks
A:nope!
Q:does it have carts
A:probably, but i only see the first car
Q:any windows
A:no windows
Q:does it look big
A:it's probably regular sized
Q:how many pipes do you see
A:8


['images/VisDial/Train/VisDial_image_77120.jpg', 'images/VisDial/Train/VisDial_image_88557.jpg', 'images/VisDial/Train/VisDial_image_4534.jpg', 'images/VisDial/Train/VisDial_image_11129.jpg', 'images/VisDial/Train/VisDial_image_49720.jpg', 'images/VisDial/Train/VisDial_image_93676.jpg', 'images/VisDial/Train/VisDial_image_115311.jpg', 'images/VisDial/Train/VisDial_image_123032.jpg', 'images/VisDial/Train/VisDial_image_56254.jpg', 'images/VisDial/Train/VisDial_image_17340.jpg', 'images/VisDial/Train/VisDial_image_102267.jpg', 'images/VisDial/Train/VisDial_image_32074.jpg']