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

Q: Sentence: 'lose up of various trays of croissants and muffins'. Replace the letter 'n' with 'f' in the sentence.

A: lose up of various trays of croissafts afd muffifs
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Q: Sentence: 'a man that is on the back of an elephant'. Replace the letter 'c' with 'd' in the sentence.

A: a man that is on the badk of an elephant
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Q: Sentence: 'a skier travels downhill through the snow under a cloudy sky'. Replace the letter 'u' with 'h' in the sentence.

A:
a skier travels downhill throhgh the snow hnder a clohdy sky
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