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

[EX Q]: During what period was the Tethys floor discovered no no sorry when did the Jurassic Period end?
[EX A]: When did the Jurassic Period end?

[EX Q]: How much of the natural climate or no make that the greenhouse effect is due to carbon dioxide?
[EX A]: How much of the greenhouse effect is due to carbon dioxide?

[EX Q]: What is Diocles of Carystus, sorry the Pedanius Dioscorides and what is it not known for?
[EX A]:
What is Pedanius Dioscorides not known for?