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

[Q]: What combined with rising rather lowering prices to make it difficult or impossible for poor people to keep pace?
[A]: What combined with lowering prices to make it difficult or impossible for poor people to keep pace?

[Q]: What was developed in the summer of 1962 no um 1961?
[A]: What was developed in the summer of 1961?

[Q]: Which has i mean What has water that is a lighter color than the Rhine?
[A]:
What has water that is a lighter color than the Rhine?