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

Q: Sentence: 'a couple walking down a sidewalk next to some graffiti'. Replace the letter 'a' with 'y' in the sentence.

A: y couple wylking down y sidewylk next to some gryffiti
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Q: Sentence: 'batter is twisted up as he took a swing at the baseball'. Replace the letter 'h' with 'i' in the sentence.

A: batter is twisted up as ie took a swing at tie baseball
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Q: Sentence: 'a bathroom has pink tiles and a black toilet'. Replace the letter 'a' with 'f' in the sentence.

A:
f bfthroom hfs pink tiles fnd f blfck toilet
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