Represent the given dialogue about an image, which is used for image retrieval: Q:is there a bear
A:yes
Q:is this a zoo
A:not that i can tell
Q:what color is the bear
A:dirty white
Q:is the bear big
A:yes
Q:so a polar bear
A:yes
Q:is there water
A:not that i can see
Q:is there a rock
A:yes
Q:is the rock real
A:yes
Q:is he sitting on the rock
A:no, he is laying his face on the rock
Q:is it brown
A:the rock is green and brown


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