Given a disfluent sentence, modify the sentence to it to its equivalent fluent form, preserving the meaning of the sentence.

[Q]: What is Warsaw's National Museum most known for?
[A]: Warsaw's National Museum is one of the most what?


[Q]: What forms Alter Rhein no Lake Constance into an inland delta?
[A]: What forms Lake Constance into an inland delta?


[Q]: What skills, no, what career does Joseph Stiglitz have?
[A]:
What career does Joseph Stiglitz have?