Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the train
A:black
Q:how many trees are there
A:lots
Q:is it daytime
A:yes
Q:is there dirt on the ground
A:yes
Q:are the tracks visible
A:yes
Q:is anyone waiting
A:no
Q:what color are tracks
A:silver
Q:is there concrete visible
A:yes
Q:are there rocks
A:gravel
Q:is the sky visible
A:yes


['images/VisDial/Train/VisDial_image_109996.jpg', 'images/VisDial/Train/VisDial_image_99923.jpg', 'images/VisDial/Train/VisDial_image_84185.jpg', 'images/VisDial/Train/VisDial_image_77587.jpg', 'images/VisDial/Train/VisDial_image_102267.jpg', 'images/VisDial/Train/VisDial_image_52932.jpg', 'images/VisDial/Train/VisDial_image_159.jpg', 'images/VisDial/Train/VisDial_image_115819.jpg', 'images/VisDial/Train/VisDial_image_102128.jpg', 'images/VisDial/Train/VisDial_image_6004.jpg', 'images/VisDial/Train/VisDial_image_103788.jpg', 'images/VisDial/Train/VisDial_image_6647.jpg']