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

Input: Consider Input: Sentence: 'a herd of cattle standing on a lush green field'. Replace the letter 'g' with 'f' in the sentence.

Output: a herd of cattle standinf on a lush freen field


Input: Consider Input: Sentence: 'group playing frisbee with runners in grassy field'. Replace the letter 'l' with 'q' in the sentence.

Output: group pqaying frisbee with runners in grassy fieqd


Input: Consider Input: Sentence: 'a living room has a maroon couch and overhead fan'. Replace the letter 'n' with 'l' in the sentence.


Output: a livilg room has a marool couch ald overhead fal