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

Ex Input:
Sentence: 'small kit bathroom sink with purple walls and lights on it'. Replace the letter 'o' with 'r' in the sentence.

Ex Output:
small kit bathrrrm sink with purple walls and lights rn it

Ex Input:
Sentence: 'a tower type building structure with a large clock and many windows in front of a cloudy blue sky'. Replace the letter 'n' with 'x' in the sentence.

Ex Output:
a tower type buildixg structure with a large clock axd maxy wixdows ix froxt of a cloudy blue sky

Ex Input:
Sentence: 'a man holding scissors up to his nave with the handles open and bordering his nose'. Replace the letter 'o' with 'z' in the sentence.

Ex Output:
a man hzlding scisszrs up tz his nave with the handles zpen and bzrdering his nzse