Represent the given dialogue about an image, which is used for image retrieval: Q:what time of day do you think this is
A:it is getting close the sunset, i think
Q:what kind of water is it
A:a river
Q:what color is the sky
A:it is blue with clouds
Q:are the buildings homes
A:no i'm not sure but it looks like perhaps london
Q:do you see any boats
A:no boats
Q:do you see any people
A:yes, lots of people on the bridge
Q:what color are the buildings
A:they are all brick buildings i can't see the color well
Q:do you see a clock
A:yes, i do
Q:is it on the side of a building
A:yes, a clock tower
Q:do you think it's the big ben
A:i think it is


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