instruction:
Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
question:
What or no make that whose principles were the principle of faunal succession built upon?
answer:
Whose principles were the principle of faunal succession built upon?


question:
What smaller weaker swimmers do spiders er uh  amphipods feed on?
answer:
What smaller weaker swimmers do amphipods feed on?


question:
What is one problem with controlled substances no internet pharmacies?
answer:
What is one problem with internet pharmacies?