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

[Q]: What are two methods for identifying birefringence in the lab, oh actually, identifying plane-polarized light?
[A]: What are two methods for identifying plane-polarized light in the lab?


[Q]: When was Charles Darwin born, oh sorry, that should be Sir Charles?
[A]: When was Sir Charles Lyell born?


[Q]: How many species of rotifers have been discovered no no tell me how many are yet to be named?
[A]:
How many species of rotifers are yet to be named?