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

Ex Input:
Sentence: 'a single person is working in the cluttered kitchen'. Replace the letter 'n' with 'e' in the sentence.

Ex Output:
a siegle persoe is workieg ie the cluttered kitchee

Ex Input:
Sentence: 'a toaster oven painted on the side of a wall'. Replace the letter 'e' with 'p' in the sentence.

Ex Output:
a toastpr ovpn paintpd on thp sidp of a wall

Ex Input:
Sentence: 'surfer in intense ride coming down from breaking wave on ocean'. Replace the letter 'k' with 'q' in the sentence.

Ex Output:
surfer in intense ride coming down from breaqing wave on ocean