In this task, you need to replace a letter in the sentence with another given letter.
--------
Question: Sentence: 'a man on a surfboard riding on the waters waves'. Replace the letter 's' with 'k' in the sentence.

Answer: a man on a kurfboard riding on the waterk wavek


Question: Sentence: 'a computer, keyboard, and mouse sitting on a desk'. Replace the letter 's' with 'c' in the sentence.

Answer: a computer, keyboard, and mouce citting on a deck


Question: Sentence: 'there is a stuffed bear pirate sitting on top of books'. Replace the letter 'i' with 'b' in the sentence.

Answer:
there bs a stuffed bear pbrate sbttbng on top of books