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

Example Input: Sentence: 'a dog drinking out of a bowl of water'. Replace the letter 'w' with 'k' in the sentence.
Example Output: a dog drinking out of a bokl of kater

Example Input: Sentence: 'a man standing next to a parking meter'. Replace the letter 'n' with 'p' in the sentence.
Example Output: a map stapdipg pext to a parkipg meter

Example Input: Sentence: 'a large boat is out in the water'. Replace the letter 'i' with 'v' in the sentence.
Example Output:
a large boat vs out vn the water