Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

Q: What is Warsaw's National Museum most known for?

A: Warsaw's National Museum is one of the most what?
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Q: Which country does the Moselle river encounter it's main tributaries no not the Moselle but the Rhine river?

A: Which country does the Rhine encounter it's main tributaries?
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Q: How did or no make that what happened as a result of hydrothermal vents and underwater volcanoes that are transform boundaries?

A:
What happened as a result of hydrothermal vents and underwater volcanoes that are transform boundaries?
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