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

[Q]: What is taking evidence from witnesses an example of, according to the committees?
[A]: Taking evidence from witnesses is one of committees' what?


[Q]: What were Kublai Khan's successors no the Yuan armies too weak to stop?
[A]: What were the Yuan armies too weak to stop?


[Q]: In what way, uh, what do you use to let idea strings switch direction?
[A]:
What do you use to let idea strings switch direction?