Read the following passage, then answer the questions:

In ancient China, The governor announced a reward for the
artist who would draw a masterpiece of art. The governor would
place it at the door of his palace for a whole year. If no one could
find a fault with it, the artist would be rewarded. But if any defect
was discovered, the work would be returned and no reward would
be given. One day a man brought a painting of an ear of corn and a
bird sitting on it. A thousand people saw it and thought it was
perfect. On the last day of the year, an old man came and asked,
'How can a bird sit on an ear of corn without making it bend?' The
observation was right and the artist wasn't rewarded. To receive
such a prize, an artist had to be careful with every detail of his
work.
Answer the following questions:

How long did an artist have to wait to get a reward?
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Why was the artist in the story not rewarded
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What does the underlined word it refer to
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