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

Example Input: Sentence: 'a bathroom with a tub connected to a pool with some sinks inside'. Replace the letter 'e' with 'b' in the sentence.
Example Output: a bathroom with a tub connbctbd to a pool with somb sinks insidb

Example Input: Sentence: 'a computer, keyboard, and mouse sitting on a desk'. Replace the letter 's' with 'c' in the sentence.
Example Output: a computer, keyboard, and mouce citting on a deck

Example Input: Sentence: 'a chocolate cake with a slice cut out of it'. Replace the letter 'c' with 'j' in the sentence.
Example Output:
a jhojolate jake with a slije jut out of it