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

Example Input: Sentence: 'a bus all lite up inside and out with diffrent colors '. Replace the letter 'r' with 'w' in the sentence.
Example Output: a bus all lite up inside and out with diffwent colows 

Example Input: Sentence: 'a red stop signed has been altered to say stop hate'. Replace the letter 'e' with 't' in the sentence.
Example Output: a rtd stop signtd has bttn alttrtd to say stop hatt

Example Input: Sentence: 'a fire hydrant on the ground near some bushes'. Replace the letter 'a' with 's' in the sentence.
Example Output:
s fire hydrsnt on the ground nesr some bushes