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

Input: Consider Input: Sentence: 'a white stove top oven sitting in a kitchen'. Replace the letter 'k' with 'b' in the sentence.

Output: a white stove top oven sitting in a bitchen

Input: Consider Input: Sentence: 'an old photo of group of people nicely dressed around the end of a long table'. Replace the letter 'e' with 'i' in the sentence.

Output: an old photo of group of piopli nicily drissid around thi ind of a long tabli

Input: Consider Input: Sentence: 'a person on skis preparing to ski down a hill'. Replace the letter 'a' with 'g' in the sentence.
Output: g person on skis prepgring to ski down g hill