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

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

[EX Q]: What type of theatre is the Warsaw Fotoplastikon no the Katyn Fotoplastikon?
[EX A]: What type of theatre is the Katyn Fotoplastikon?

[EX Q]: What isn't er when wasn't King George's war?
[EX A]:
When wasn't King George's war?