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

Example Input: Sentence: 'a large clock on the top of pole in the middle of a walk way'. Replace the letter 'f' with 'h' in the sentence.
Example Output: a large clock on the top oh pole in the middle oh a walk way

Example Input: Sentence: 'a rare picture of an individual within this image'. Replace the letter 'd' with 'z' in the sentence.
Example Output: a rare picture of an inzivizual within this image

Example Input: Sentence: 'the bedroom is decorated in pink and white'. Replace the letter 'o' with 'j' in the sentence.
Example Output:
the bedrjjm is decjrated in pink and white