Represent the given dialogue about an image, which is used for image retrieval: Q:how many train cars
A:2
Q:are they at a station
A:yes
Q:any people around
A:no
Q:can you see the platform
A:no
Q:how many sets of tracks
A:3
Q:what color are the cars
A:gray with graffiti on them
Q:are there other buildings
A:no
Q:is the station 1 story or 2
A:1
Q:is the sun shining
A:yes
Q:how many sets of tracks are there
A:3


['images/VisDial/Train/VisDial_image_71699.jpg', 'images/VisDial/Train/VisDial_image_96420.jpg', 'images/VisDial/Train/VisDial_image_121139.jpg', 'images/VisDial/Train/VisDial_image_35432.jpg', 'images/VisDial/Train/VisDial_image_104196.jpg', 'images/VisDial/Train/VisDial_image_96911.jpg', 'images/VisDial/Train/VisDial_image_121220.jpg', 'images/VisDial/Train/VisDial_image_61568.jpg', 'images/VisDial/Train/VisDial_image_24583.jpg', 'images/VisDial/Train/VisDial_image_8881.jpg', 'images/VisDial/Train/VisDial_image_41162.jpg', 'images/VisDial/Train/VisDial_image_25317.jpg']