You will be given a definition of a task first, then some input of the task.
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.

When were ctenophore mnemiopsis leidyi introduced into The Black Sea and the Sea of Azov ahh actually I want to know when were fish larvae accidentally introduced into the Black Sea?
Output:
When were fish larvae introduced into the Black Sea accidentally?