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: 'a large orange cat sits in a chair outside'. Replace the letter 'e' with 'x' in the sentence.

A: a largx orangx cat sits in a chair outsidx
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Q: Sentence: 'a child plays with a remote in her living room'. Replace the letter 'n' with 'o' in the sentence.

A:
a child plays with a remote io her liviog room
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