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 group of women are sitting at a table eating lunch'. Replace the letter 'e' with 'k' in the sentence.
Example Output: a group of womkn ark sitting at a tablk kating lunch

Example Input: Sentence: 'the flavor of shrimp is enhanced with a splash of fresh lemon.'. Replace the letter 'm' with 'c' in the sentence.
Example Output:
the flavor of shricp is enhanced with a splash of fresh lecon.