instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
Which sea was formed no was oil discovered in?
answer:
Which sea was oil discovered in?


question:
What social problems no what nationality aren't researchers Richard G. Wilkinson and Kate Pickett?
answer:
What nationality aren't researchers Richard G. Wilkinson and Kate Pickett?


question:
How did or actually when did the black death technically subside?
answer:
When did the black death technically subside?