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

Q: What rather who identified gravity as a force?

A: Who identified gravity as a force?
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Q: Which or no uh rather what set is a seat added to after being allocated?

A: What set is a seat added to after being allocated?
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Q: Aside from 14 no sorry 12 research centers, how many research institutes does the U of C operate?

A:
Aside from 12 research centers, how many research institutes does the U of C operate?
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