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

Q: Besides the North Sea and the Irish Channel, which direction did the Rhine flow during the last cold phase no what else was lowered in the last cold phase?

A: Besides the North Sea and the Irish Channel, what else was lowered in the last cold phase?
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Q: Who or no make that what increases with age?

A: What increases with age?
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Q: What is the oldest known rock in the Grand or actually in the entire world?

A:
What is the oldest known rock in the world?
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