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

Q: Sentence: 'a skater looks ahead as he rides down a ramp'. Replace the letter 'n' with 'm' in the sentence.

A: a skater looks ahead as he rides dowm a ramp
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Q: Sentence: 'a crowd stands under a set of lights in the ceiling and one person holds up a cell phone'. Replace the letter 'r' with 'f' in the sentence.

A: a cfowd stands undef a set of lights in the ceiling and one pefson holds up a cell phone
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Q: Sentence: 'a man in white shirt and shorts playing a game of tennis'. Replace the letter 'a' with 'v' in the sentence.

A:
v mvn in white shirt vnd shorts plvying v gvme of tennis
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