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 man laying stretched out on the back of a boat'. Replace the letter 'h' with 'g' in the sentence.

A: a man laying stretcged out on tge back of a boat
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Q: Sentence: 'an older man and woman riding on a motorcycle'. Replace the letter 'd' with 'c' in the sentence.

A:
an olcer man anc woman ricing on a motorcycle
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