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

Example Input: Sentence: 'a bathroom with a make shift shower curtain'. Replace the letter 'w' with 's' in the sentence.
Example Output: a bathroom sith a make shift shoser curtain

Example Input: Sentence: 'a man standing on a tennis court holding a tennis racquet'. Replace the letter 'c' with 'y' in the sentence.
Example Output: a man standing on a tennis yourt holding a tennis rayquet

Example Input: Sentence: 'a plate of meat, broccoli, rolls and rice with gravy'. Replace the letter 'n' with 'h' in the sentence.
Example Output:
a plate of meat, broccoli, rolls ahd rice with gravy