In this task, you need to replace a letter in the sentence with another given letter.

Q: Sentence: 'busy city street with pedestrians and cars with lights all around'. Replace the letter 'r' with 'k' in the sentence.

A: busy city stkeet with pedestkians and caks with lights all akound
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Q: Sentence: 'a person holding a green cell phone in a classroom with many desks'. Replace the letter 'k' with 'w' in the sentence.

A: a person holding a green cell phone in a classroom with many desws
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Q: Sentence: 'a view of a very nice bathroom. a square mirror is above the sink'. Replace the letter 'y' with 'h' in the sentence.

A:
a view of a verh nice bathroom. a square mirror is above the sink
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