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

Q: Sentence: 'many street signs in front of a building while it is snowing'. Replace the letter 'r' with 'x' in the sentence.

A: many stxeet signs in fxont of a building while it is snowing
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Q: Sentence: 'a street light is near a large building'. Replace the letter 'n' with 'c' in the sentence.

A: a street light is cear a large buildicg
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Q: Sentence: 'a baby elephant slowly walks next to some wet mud'. Replace the letter 'o' with 'b' in the sentence.

A:
a baby elephant slbwly walks next tb sbme wet mud
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