instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
What did the American Philosophical Society do with the memoir what did they produce in 1809?
answer:
What did the American Philosophical Society produce in 1809?


question:
What was developed in the summer of 1962 no um 1961?
answer:
What was developed in the summer of 1961?


question:
How or I mean what is volume normally as concentrated as?
answer:
What is volume normally as concentrated as?