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

As of January 2016 what is um or rather how many digits does the largest known prime consist of?
As of January 2016 how many digits does the largest known prime consist of?

What is not a response that is caused by inflammation no a symptom caused by inflammation?
What is not a symptom that is caused by inflammation?

When did Warner Sinback decide rather what was his decision?
What did Warner Sinback decide