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

Input: Consider Input: Sentence: 'a person standing on some skis going through the snow'. Replace the letter 'o' with 'l' in the sentence.

Output: a persln standing ln slme skis gling thrlugh the snlw

Input: Consider Input: Sentence: 'a geoup of people on bicycles coming down a street'. Replace the letter 'i' with 'x' in the sentence.

Output: a geoup of people on bxcycles comxng down a street

Input: Consider Input: Sentence: 'people are standing in the rain in a large open field'. Replace the letter 'e' with 'h' in the sentence.
Output: phoplh arh standing in thh rain in a largh ophn fihld