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

Example Input: Sentence: 'two children struggle over a bat in their playroom'. Replace the letter 't' with 'v' in the sentence.
Example Output: vwo children svruggle over a bav in vheir playroom

Example Input: Sentence: 'two parrots on a tree next to a metal pan'. Replace the letter 'w' with 'j' in the sentence.
Example Output: tjo parrots on a tree next to a metal pan

Example Input: Sentence: 'a man is in the air on a skateboard outside'. Replace the letter 'k' with 'c' in the sentence.
Example Output:
a man is in the air on a scateboard outside