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

Example Input: Sentence: 'a black and white image of a vehicle that is decorated like a dog'. Replace the letter 'a' with 'p' in the sentence.
Example Output: p blpck pnd white impge of p vehicle thpt is decorpted like p dog

Example Input: Sentence: 'a large bedroom with art over the bed'. Replace the letter 'r' with 'o' in the sentence.
Example Output: a laoge bedooom with aot oveo the bed

Example Input: Sentence: 'a cat sitting on top of a tv peering out a window'. Replace the letter 'o' with 'w' in the sentence.
Example Output:
a cat sitting wn twp wf a tv peering wut a windww