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

Example Input: Sentence: 'a man taking a photo of food on a table'. Replace the letter 't' with 'h' in the sentence.
Example Output: a man haking a phoho of food on a hable

Example Input: Sentence: 'a ski slope consisting of several people wearing skis and snowboards'. Replace the letter 'e' with 's' in the sentence.
Example Output: a ski slops consisting of ssvsral psopls wsaring skis and snowboards

Example Input: Sentence: 'a man and a woman in formal attire are feeding each other'. Replace the letter 'f' with 'c' in the sentence.
Example Output:
a man and a woman in cormal attire are ceeding each other