Represent the given dialogue about an image, which is used for image retrieval: Q:is the train the engine or caboose
A:caboose
Q:is this photo in color
A:yes
Q:what color is the caboose
A:silver and red
Q:can you see any people
A:no
Q:does the caboose have any numbers or letters on it
A:yes numbers
Q:what do the numbers say
A:646023
Q:can you see any buildings
A:yes
Q:what time of day is it
A:afternoon
Q:is the train station opened to the public
A:yes
Q:does the train look like it's new
A:no


['images/VisDial/Train/VisDial_image_122647.jpg', 'images/VisDial/Train/VisDial_image_42447.jpg', 'images/VisDial/Train/VisDial_image_42993.jpg', 'images/VisDial/Train/VisDial_image_106248.jpg', 'images/VisDial/Train/VisDial_image_64967.jpg', 'images/VisDial/Train/VisDial_image_101232.jpg', 'images/VisDial/Train/VisDial_image_7131.jpg', 'images/VisDial/Train/VisDial_image_9624.jpg', 'images/VisDial/Train/VisDial_image_110396.jpg', 'images/VisDial/Train/VisDial_image_22354.jpg', 'images/VisDial/Train/VisDial_image_106759.jpg', 'images/VisDial/Train/VisDial_image_57083.jpg']