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

[Q]: Sentence: 'a computer, keyboard, and mouse sitting on a desk'. Replace the letter 's' with 'c' in the sentence.
[A]: a computer, keyboard, and mouce citting on a deck


[Q]: Sentence: 'a herd of zebra stand together and eat grass'. Replace the letter 'n' with 'r' in the sentence.
[A]: a herd of zebra stard together ard eat grass


[Q]: Sentence: 'an old baseball game with many spectators during an at bat'. Replace the letter 's' with 'u' in the sentence.
[A]:
an old baueball game with many upectatoru during an at bat