Use reasoning to lead to the answer of the following question:
It could have been a beautiful day, but what did the overcast sky do to the color?\nOptions:\n- bee utiful\n- ugly\n- dull\n- plain\n- wet
 Reasoning process:
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A sunny day is generally considered beautiful. Overcast sky means a sky filled with clouds. Sky filled with clouds doesn’t allow a sunny day. A day without sun is considered as dull. Therefore, the final answer is dull.
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