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

Q: Sentence: 'a man and a child skiing down a mountain on a trail'. Replace the letter 'n' with 'm' in the sentence.

A: a mam amd a child skiimg dowm a moumtaim om a trail
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Q: Sentence: 'a woman walks by with a large suitcase and a polka dot umbrella'. Replace the letter 'e' with 'n' in the sentence.

A: a woman walks by with a largn suitcasn and a polka dot umbrnlla
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Q: Sentence: 'a woman extends her arm to hit a tennis ball'. Replace the letter 'b' with 'r' in the sentence.

A:
a woman extends her arm to hit a tennis rall
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