Represent the given dialogue about an image, which is used for image retrieval: Q:is the picture in color
A:no
Q:how many train cars can you see
A:6
Q:are there people here
A:no
Q:can you see the sky
A:yes
Q:any clouds
A:can't tell
Q:anything interesting
A:no
Q:can you see the ground
A:yes
Q:is there grass
A:no just gravel
Q:is the train moving across the picture left to right
A:yes
Q:is the train in front or behind the other tracks
A:behind


['images/VisDial/Train/VisDial_image_15969.jpg', 'images/VisDial/Train/VisDial_image_21212.jpg', 'images/VisDial/Train/VisDial_image_49450.jpg', 'images/VisDial/Train/VisDial_image_90724.jpg', 'images/VisDial/Train/VisDial_image_21787.jpg', 'images/VisDial/Train/VisDial_image_69664.jpg', 'images/VisDial/Train/VisDial_image_21811.jpg', 'images/VisDial/Train/VisDial_image_19595.jpg', 'images/VisDial/Train/VisDial_image_13569.jpg', 'images/VisDial/Train/VisDial_image_61441.jpg', 'images/VisDial/Train/VisDial_image_105444.jpg', 'images/VisDial/Train/VisDial_image_53139.jpg']