instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
What is cost engineers no no scratch that what is an obvious source for cost engineers?
answer:
What is an obvious source for cost engineers?


question:
What does the\u007f Rhine no rather Untersee mean?
answer:
What does Untersee mean?


question:
What are the secretions commonly called no sorry tell me what does ocean water do to luminescence from certain sea life?
answer:
What does ocean water do to luminescence from certain animals?