Represent the given dialogue about an image, which is used for image retrieval: Q:any people
A:no
Q:why is the signal unique
A:it's on top of a roof
Q:is the signal lit
A:no
Q:is it on a pole
A:a short pole
Q:is it metal
A:yes
Q:can you see a street
A:no
Q:can you see the whole roof
A:no
Q:is there an antenna
A:no
Q:anything else there
A:looks like garbage bins
Q:what color are they
A:green


['images/VisDial/Train/VisDial_image_326.jpg', 'images/VisDial/Train/VisDial_image_74518.jpg', 'images/VisDial/Train/VisDial_image_62141.jpg', 'images/VisDial/Train/VisDial_image_24352.jpg', 'images/VisDial/Train/VisDial_image_48819.jpg', 'images/VisDial/Train/VisDial_image_75153.jpg', 'images/VisDial/Train/VisDial_image_87998.jpg', 'images/VisDial/Train/VisDial_image_87767.jpg', 'images/VisDial/Train/VisDial_image_18804.jpg', 'images/VisDial/Train/VisDial_image_25103.jpg', 'images/VisDial/Train/VisDial_image_95678.jpg', 'images/VisDial/Train/VisDial_image_111591.jpg']