Represent the given dialogue about an image, which is used for image retrieval: Q:where is the bear
A:in a grassy field near a bison
Q:what color is the bison
A:brown
Q:is the grass green or brown
A:very green
Q:is the bison bigger than the bear
A:yes
Q:what time of day is it
A:not sure, just that it's daytime
Q:is there water nearby
A:maybe a little in the background
Q:are there trees visible
A:no, just small shrubs
Q:what color are the shrubs
A:green
Q:does the bear look hungry
A:hard to tell, but his nose is in the grass
Q:does the bison look worried
A:no


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