One day, abu nawas was on his way to neighbouring city. In the middle of the journey, he met 2-way-branch of a road. He didn't know which branch he should take. In the middle of the branch, lived two twin brothers. Now this twin brothers had uncanny resemblance, but one of them is a liar and one of them is honest. Only one of the twins may come out and answer him. It could be the liar one or the honest one.
How should abu nawas ask these twins which branch of road he must take in just one question? Remember just one question.
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