Represent the given dialogue about an image, which is used for image retrieval: Q:are the polar bears at a zoo
A:i would guess they are
Q:is the pen glass enclosed
A:i don't see any glass
Q:what defines the pen
A:i can see some boulders in the background
Q:is there any snow in the pen
A:no
Q:is the pen outside or inside
A:looks like outside
Q:are there any people in the area
A:no
Q:are there any trees
A:i can see the bottom and some branches of some
Q:is there any grass
A:no
Q:are the polar bears laying down
A:no
Q:is it sunny
A:yes


['images/VisDial/Train/VisDial_image_49195.jpg', 'images/VisDial/Train/VisDial_image_49684.jpg', 'images/VisDial/Train/VisDial_image_68509.jpg', 'images/VisDial/Train/VisDial_image_39843.jpg', 'images/VisDial/Train/VisDial_image_92518.jpg', 'images/VisDial/Train/VisDial_image_66690.jpg', 'images/VisDial/Train/VisDial_image_80896.jpg', 'images/VisDial/Train/VisDial_image_92774.jpg', 'images/VisDial/Train/VisDial_image_1603.jpg', 'images/VisDial/Train/VisDial_image_120581.jpg', 'images/VisDial/Train/VisDial_image_87230.jpg', 'images/VisDial/Train/VisDial_image_7401.jpg']