In this task, you need to replace a letter in the sentence with another given letter.
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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: 'a lonley giraffe is making a trek in the wild'. Replace the letter 'r' with 'h' in the sentence.

Answer: a lonley gihaffe is making a thek in the wild


Question: Sentence: 'a horse and rider navigating an obstacle course on grass'. Replace the letter 'n' with 'z' in the sentence.

Answer:
a horse azd rider zavigatizg az obstacle course oz grass