Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the sign
A:green
Q:does it say anything
A:portola pkwy
Q:do you see the sky
A:yes
Q:is it clear out
A:yes
Q:do you see a stoplight
A:no
Q:do you see any buildings
A:no but there is a stop light on the other side of the sign
Q:can you see any people
A:no
Q:are there any trees in the background
A:yes
Q:are they filled with green leaves
A:yes
Q:what color is the pole the sign is on
A:silver


['images/VisDial/Train/VisDial_image_46605.jpg', 'images/VisDial/Train/VisDial_image_72372.jpg', 'images/VisDial/Train/VisDial_image_47383.jpg', 'images/VisDial/Train/VisDial_image_118653.jpg', 'images/VisDial/Train/VisDial_image_107891.jpg', 'images/VisDial/Train/VisDial_image_47575.jpg', 'images/VisDial/Train/VisDial_image_61547.jpg', 'images/VisDial/Train/VisDial_image_86551.jpg', 'images/VisDial/Train/VisDial_image_2526.jpg', 'images/VisDial/Train/VisDial_image_102110.jpg', 'images/VisDial/Train/VisDial_image_106219.jpg', 'images/VisDial/Train/VisDial_image_21145.jpg']