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

Q: Sentence: 'a couple of horses with carriages at a building'. Replace the letter 'u' with 'm' in the sentence.

A: a comple of horses with carriages at a bmilding
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Q: Sentence: 'a person standing on some skis going through the snow'. Replace the letter 'o' with 'l' in the sentence.

A: a persln standing ln slme skis gling thrlugh the snlw
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Q: Sentence: 'a woman sitting on top of a chair holding a brown and white dog'. Replace the letter 'd' with 's' in the sentence.

A:
a woman sitting on top of a chair holsing a brown ans white sog
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