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

Example Input: Sentence: 'a man dressed in a knight costume riding a horse performing at a show'. Replace the letter 'e' with 'j' in the sentence.
Example Output: a man drjssjd in a knight costumj riding a horsj pjrforming at a show

Example Input: Sentence: 'a seafood dish served over a bowl of white rice'. Replace the letter 'e' with 'u' in the sentence.
Example Output: a suafood dish survud ovur a bowl of whitu ricu

Example Input: Sentence: 'baseball game batter swinging with large crowd watching'. Replace the letter 'm' with 'f' in the sentence.
Example Output:
baseball gafe batter swinging with large crowd watching