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

Q: What castle currently concerts er uh houses the Centre for Ujazdow Art?

A: What castle currently houses the Centre for Ujazdow Art?
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Q: What all is balanced in an open system of particles no sorry what is internally missing from this system?

A: In an open system of particles, there are no internal what?
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Q: What is one thing that article or uh rebellion must have in Black's Law Dictionary?

A:
What is one thing that rebellion must have in Black's Law Dictionary?
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