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

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

What is a fundamental no is another function that primes have that the number 15 does not?
What is another function that primes have that the number 15 does not?

What non-dynasty came after the Ming er sorry the Yuan?

 What non-dynasty came after the Yuan?