Convert a disfluent question to a proper question. 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.

Ex Input:
Which or rather what equipment is used to identify individual crystals?

Ex Output:
What equipment is used to identify individual crystals?


Ex Input:
When did no what is the least controversial aspect of imperialism?

Ex Output:
what is the least controversial aspect of imperialism?


Ex Input:
What college was Jake Rosenfield associated with or rather what isn't his profession?

Ex Output:

What isn't the profession of Jake Rosenfield?