Represent the given dialogue about an image, which is used for image retrieval: Q:how many boats can you see
A:7
Q:are they moving
A:no
Q:are they at a dock
A:it looks like it is a dock
Q:is anyone on the boats
A:i can't see that in the photo
Q:is the water calm
A:yes
Q:is the river big
A:kind of
Q:what color are the boats
A:white
Q:are they big or small boats
A:they look like coast guard boats or tug boats
Q:can you see machines at the dock
A:no
Q:could it be police boats
A:it is possible


['images/VisDial/Train/VisDial_image_20449.jpg', 'images/VisDial/Train/VisDial_image_42213.jpg', 'images/VisDial/Train/VisDial_image_29115.jpg', 'images/VisDial/Train/VisDial_image_1767.jpg', 'images/VisDial/Train/VisDial_image_69660.jpg', 'images/VisDial/Train/VisDial_image_100225.jpg', 'images/VisDial/Train/VisDial_image_115971.jpg', 'images/VisDial/Train/VisDial_image_21307.jpg', 'images/VisDial/Train/VisDial_image_95160.jpg', 'images/VisDial/Train/VisDial_image_66256.jpg', 'images/VisDial/Train/VisDial_image_86242.jpg', 'images/VisDial/Train/VisDial_image_104464.jpg']