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

[EX Q]: What type of forces act at very long distances or rather what forces are responsible for the interactions between atomic particles?
[EX A]: What forces are responsible for the interactions between atomic particles?

[EX Q]: Where is the rock, no, gravel from that is found in xenoliths?
[EX A]: Where is the gravel from that is found in xenoliths?

[EX Q]: What government, well what department in the U.S. spearheaded the efforts to support Islamism?
[EX A]:
What department in the U.S. spearheaded the efforts to support Islamism?