Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

[EX Q]: How many avulsions have occurred in upland areas or actually just the past 6000 years?
[EX A]: How many avulsions have occurred in the past 6000 yeas?

[EX Q]: Which sea was formed no was oil discovered in?
[EX A]: Which sea was oil discovered in?

[EX Q]: When until 1987, what stance did the PLO sorry the Muslim Brotherhood in Palestine take towards Israel?
[EX A]:
Until 1987, what stance did the Muslim Brotherhood in Palestine take towards Israel?