Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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Question: What is the term for flora no the um wind-blown dust in a tundra?

Answer: What is the term for wind-blown dust in a tundra?


Question: During what period was the Tethys floor discovered no no sorry when did the Jurassic Period end?

Answer: When did the Jurassic Period end?


Question: What type of scientist is Samuel K. Cohn, Jr., no I'm sorry, I meant David Herlihy?

Answer:
What type of scientist is David Herlihy?