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

Example Input: Sentence: 'a man eats food that is inside a banana peel'. Replace the letter 'n' with 'k' in the sentence.
Example Output: a mak eats food that is ikside a bakaka peel

Example Input: Sentence: 'a man standing in the water flying a kite'. Replace the letter 'w' with 's' in the sentence.
Example Output: a man standing in the sater flying a kite

Example Input: Sentence: 'a street view of a city with several cars and buildings present'. Replace the letter 'h' with 'n' in the sentence.
Example Output:
a street view of a city witn several cars and buildings present