TASK DEFINITION: Classify the input text into either disfluent questions or proper questions. A disfluent question is a question that has some interruptions in it while framing. A proper question is the correct form of the question without any disfluency.
PROBLEM: When was the strongly influenced delta no the Holocene?

SOLUTION: disfluent

PROBLEM: "Wrecking amendments" are designed to encourage further what?

SOLUTION: proper

PROBLEM: What are those with higher incomes often unable to manage?

SOLUTION:
proper