TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: Who or no rather what exposes organisms to infection?

SOLUTION: What exposes organisms to infection?

PROBLEM: When did no no didn't British begin to build fort under William Trent?

SOLUTION: When didn't British begin to build fort under William Trent?

PROBLEM: What does er uh what debate lasts for 55 minutes?

SOLUTION:
What debate lasts for 55 minutes?