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

[EX Q]: Where rather who was one of the most famous people born in Warsaw?
[EX A]: Who was one of the most famous people born in Warsaw?

[EX Q]: Why is Powsin no Warsaw's flora very rich in species?
[EX A]: Why is Warsaw's flora very rich in species?

[EX Q]: Which or rather what methods do petrologists use to examine rocks out in the field?
[EX A]:
What methods do petrologists use to examine rocks out in the field?