instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
When was Charles Darwin born, oh sorry, that should be Sir Charles?
answer:
When was Sir Charles Lyell born?


question:
Juvenile platyctenids no wow Which genus lack tentacles and sheaths?
answer:
Which genus lack tentacles and sheaths?


question:
What type of organism is no scratch that what are killer T cells are dis-activated by?
answer:

What are killer T cells dis-activated by?