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

Example Input: Sentence: 'the kitchen counter has a pitcher of lime juice'. Replace the letter 'h' with 'p' in the sentence.
Example Output: tpe kitcpen counter pas a pitcper of lime juice

Example Input: Sentence: 'a person standing on some skis going through the snow'. Replace the letter 'o' with 'l' in the sentence.
Example Output: a persln standing ln slme skis gling thrlugh the snlw

Example Input: Sentence: 'the bird is pecking on the window and perched on the ledge'. Replace the letter 'o' with 'j' in the sentence.
Example Output:
the bird is pecking jn the windjw and perched jn the ledge