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

Q: Sentence: 'a man who is surfing in a wave in the ocean'. Replace the letter 'a' with 'u' in the sentence.

A: u mun who is surfing in u wuve in the oceun
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Q: Sentence: 'a bathroom that has  a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

A: a bathroom that haa  a aink and a toilet
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Q: Sentence: 'a tennis player jumps and swats at the ball'. Replace the letter 'n' with 'o' in the sentence.

A:
a teoois player jumps aod swats at the ball
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