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

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

[EX Q]: Sentence: 'a red park ride bus at a curb with a green/white bus behind'. Replace the letter 'h' with 'x' in the sentence.
[EX A]: a red park ride bus at a curb witx a green/wxite bus bexind

[EX Q]: Sentence: 'a man is flying a kite over a green hill'. Replace the letter 'r' with 'x' in the sentence.
[EX A]:
a man is flying a kite ovex a gxeen hill