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 bunch of signs on a pole on the street'. Replace the letter 'c' with 's' in the sentence.

Ex Output:
a bunsh of signs on a pole on the street


Ex Input:
Sentence: 'a closeup view of a desk with a keyboard, mouse, and monitor'. Replace the letter 'm' with 'g' in the sentence.

Ex Output:

a closeup view of a desk with a keyboard, gouse, and gonitor