Represent the given dialogue about an image, which is used for image retrieval: Q:is this at airport
A:i think it's train station
Q:is there train around
A:yes, behind luggage, which isn't really on truck
Q:any people
A:no people
Q:what color is train
A:it's olive green
Q:can you see ground
A:just some pavement beneath cart
Q:what color is it
A:it's concrete, so gray
Q:is there lines on pavement
A:not that i can see
Q:can you see tracks
A:no, i can't see that far
Q:is it sunny out
A:it seems to be
Q:any clouds
A:i can't see sky


['images/VisDial/Train/VisDial_image_5497.jpg', 'images/VisDial/Train/VisDial_image_27231.jpg', 'images/VisDial/Train/VisDial_image_37914.jpg', 'images/VisDial/Train/VisDial_image_44602.jpg', 'images/VisDial/Train/VisDial_image_49700.jpg', 'images/VisDial/Train/VisDial_image_116136.jpg', 'images/VisDial/Train/VisDial_image_3267.jpg', 'images/VisDial/Train/VisDial_image_63305.jpg', 'images/VisDial/Train/VisDial_image_9528.jpg', 'images/VisDial/Train/VisDial_image_80935.jpg', 'images/VisDial/Train/VisDial_image_42985.jpg', 'images/VisDial/Train/VisDial_image_94222.jpg']