TASK DEFINITION: Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
PROBLEM: What civilization did the pottery belong to no sorry I'm wondering what is the 16th century known as the start of?

SOLUTION: What is the 16th century known as the start of?

PROBLEM: What is taking evidence from witnesses an example of, according to the committees?

SOLUTION: Taking evidence from witnesses is one of committees' what?

PROBLEM: In which, or rather, what kinds of sciences were Social Darwinism and theories of race?

SOLUTION:
What kinds of sciences were Social Darwinism and theories of race?