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

Example Input: Sentence: 'a tv and equipment sitting on a console'. Replace the letter 't' with 'l' in the sentence.
Example Output: a lv and equipmenl silling on a console

Example Input: Sentence: 'a person under an open umbrella in the sand'. Replace the letter 'd' with 'h' in the sentence.
Example Output: a person unher an open umbrella in the sanh

Example Input: Sentence: 'a man taking a picture of himself in the bathroom'. Replace the letter 'm' with 'r' in the sentence.
Example Output:
a ran taking a picture of hirself in the bathroor