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

Q: Sentence: 'someone playing frisbee with a dog in the middle of a court'. Replace the letter 'd' with 'r' in the sentence.

A: someone playing frisbee with a rog in the mirrle of a court
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Q: Sentence: 'a computer, keyboard, and mouse sitting on a desk'. Replace the letter 's' with 'c' in the sentence.

A: a computer, keyboard, and mouce citting on a deck
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Q: Sentence: 'a female tennis player hits a unseen ball on coart'. Replace the letter 't' with 's' in the sentence.

A:
a female sennis player hiss a unseen ball on coars
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