Represent the given dialogue about an image, which is used for image retrieval: Q:are these units white
A:no
Q:black
A:yup and 1 is silver
Q:are any of them on
A:not that i can tell
Q:is the robot vacuum circular
A:yea
Q:and short
A:yup
Q:do they look like they're in a store display
A:no more like an item your viewing online
Q:new or used
A:new i think
Q:do they look expensive
A:yes
Q:do you see a floor
A:nope
Q:a wall
A:nope


['images/VisDial/Train/VisDial_image_52879.jpg', 'images/VisDial/Train/VisDial_image_81255.jpg', 'images/VisDial/Train/VisDial_image_28094.jpg', 'images/VisDial/Train/VisDial_image_44362.jpg', 'images/VisDial/Train/VisDial_image_67545.jpg', 'images/VisDial/Train/VisDial_image_79739.jpg', 'images/VisDial/Train/VisDial_image_80379.jpg', 'images/VisDial/Train/VisDial_image_75684.jpg', 'images/VisDial/Train/VisDial_image_83883.jpg', 'images/VisDial/Train/VisDial_image_113555.jpg', 'images/VisDial/Train/VisDial_image_79119.jpg', 'images/VisDial/Train/VisDial_image_42558.jpg']