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

Q: Sentence: 'a man is on a saddled horse with reins'. Replace the letter 's' with 'o' in the sentence.

A: a man io on a oaddled horoe with reino
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Q: Sentence: 'a man on a surfboard riding on the waters waves'. Replace the letter 's' with 'k' in the sentence.

A: a man on a kurfboard riding on the waterk wavek
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Q: Sentence: 'a man riding a mini bike with a board attached to it'. Replace the letter 'c' with 'q' in the sentence.

A:
a man riding a mini bike with a board attaqhed to it
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