Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the smartphone
A:black
Q:what color is the tv
A:black and white
Q:is the room bright
A:it's not a room
Q:is it a store
A:no
Q:where is it
A:it's just a white background
Q:do you see a shadow
A:no
Q:do you see any buttons
A:knobs
Q:what year do you think the tv is
A:real old, like 70 or 80's
Q:how many knobs does it have
A:4
Q:do you see a on and off knob
A:yes


['images/VisDial/Train/VisDial_image_111778.jpg', 'images/VisDial/Train/VisDial_image_15322.jpg', 'images/VisDial/Train/VisDial_image_51800.jpg', 'images/VisDial/Train/VisDial_image_48488.jpg', 'images/VisDial/Train/VisDial_image_83059.jpg', 'images/VisDial/Train/VisDial_image_97582.jpg', 'images/VisDial/Train/VisDial_image_28453.jpg', 'images/VisDial/Train/VisDial_image_117968.jpg', 'images/VisDial/Train/VisDial_image_99784.jpg', 'images/VisDial/Train/VisDial_image_54989.jpg', 'images/VisDial/Train/VisDial_image_108334.jpg', 'images/VisDial/Train/VisDial_image_123082.jpg']