Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.
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Question: What do petrologists no what do unstable isotope studies indicate?

Answer: What do unstable isotope studies indicate?


Question: What is one aspect of the hydrography of the former stream urgh delta characterized by?

Answer: What is one aspect of the hydrography of the former delta characterized by?


Question: What type of Cathedral no sorry architecture can be found in the St. John's Tower?

Answer:
What type of architecture is represented in the St. John's Tower?