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

Q: Sentence: 'two men and a dog are standing beside a building'. Replace the letter 'b' with 'y' in the sentence.

A: two men and a dog are standing yeside a yuilding
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Q: Sentence: 'a couple of men playing a  game of tennis'. Replace the letter 'n' with 'c' in the sentence.

A: a couple of mec playicg a  game of teccis
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Q: Sentence: 'a clock reads almost 4 o clock on a tall tower'. Replace the letter 'o' with 'z' in the sentence.

A:
a clzck reads almzst 4 z clzck zn a tall tzwer
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