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

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

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

Who umm I mean what is used by certain unwealthy groups to obtain policies financially beneficial for them?

What is used by certain unwealthy groups to obtain policies financially beneficial for them?