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.
--------
Question: What does the Carmichael primality test depend on?

Answer: proper


Question: What do some people think ACT UP's duty should be when pleading not guilty, sorry, I mean when caught?

Answer: disfluent


Question: How many of Jacksonville city's residents are older than eighteen?

Answer:
proper