Represent the given dialogue about an image, which is used for image retrieval: Q:how many people are there
A:2 at the center riding the bikes, many more in the background
Q:is this a professional event
A:yes, probably, but could be pro-am
Q:what color is the first motorcycle
A:yellow and white are the primary colors
Q:what color is the second motorcycle
A:same, yellow and white
Q:are both riders wearing helmets
A:yes
Q:is it sunny outside
A:yes, it's a nice day
Q:are either of the riders in the air
A:nope, sliding through a corner
Q:are the bikes dirty
A:getting there, pretty clean right now
Q:are the bikes kicking up dirt as they race
A:a little
Q:are either of the bikes up in the air
A:nope


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