Represent the given dialogue about an image, which is used for image retrieval: Q:are these people really at river
A:i doesn't look like ocean, but there's still some waves can't quite figure it out
Q:how many people are surfing
A:2 people
Q:can you tell what color their surfboards are
A:both of boards are white
Q:how many other people are in photo besides 2 surfers
A:just those 2
Q:are people mostly male or female
A:1 of each
Q:do they look like they are having fun
A:yeah, definitely
Q:is there any sand
A:no, just some sort of concrete pier
Q:is there anything else in water
A:no, some trees around edge
Q:do waves look large
A:yeah, they do actually
Q:other than waves, is water pretty calm
A:no, there's lot of whitewater


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