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

Example Input: Sentence: 'a silly cow licking the camera through a fence'. Replace the letter 't' with 'v' in the sentence.
Example Output: a silly cow licking vhe camera vhrough a fence

Example Input: Sentence: 'broccoli and cooked meat arranged on a plate'. Replace the letter 'c' with 'l' in the sentence.
Example Output: brolloli and looked meat arranged on a plate

Example Input: Sentence: 'a tennis player is running for the ball on a tennis court'. Replace the letter 'i' with 'z' in the sentence.
Example Output:
a tennzs player zs runnzng for the ball on a tennzs court