Represent the given dialogue about an image, which is used for image retrieval: Q:what color is the sign
A:green and white
Q:is the sign on an overpass
A:yes
Q:is there a footbridge near the sign
A:yes
Q:are people on the bridge
A:no
Q:does this appear to be near a freeway
A:yes
Q:is there a lot of traffic
A:no cars just 2 other signs
Q:are the 2 other signs readable
A:yes
Q:what do the other signs say
A:1 is a shell symbol
Q:is 1 of them partly yellow
A:the other is monterey state historic park
Q:do any of the signs have arrows on them
A:no


['images/VisDial/Train/VisDial_image_78386.jpg', 'images/VisDial/Train/VisDial_image_45142.jpg', 'images/VisDial/Train/VisDial_image_90585.jpg', 'images/VisDial/Train/VisDial_image_54291.jpg', 'images/VisDial/Train/VisDial_image_58711.jpg', 'images/VisDial/Train/VisDial_image_22775.jpg', 'images/VisDial/Train/VisDial_image_88978.jpg', 'images/VisDial/Train/VisDial_image_109464.jpg', 'images/VisDial/Train/VisDial_image_118653.jpg', 'images/VisDial/Train/VisDial_image_122704.jpg', 'images/VisDial/Train/VisDial_image_106108.jpg', 'images/VisDial/Train/VisDial_image_122621.jpg']