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

Input: Consider Input: Sentence: 'stone and white colored structure in front of white modern building'. Replace the letter 'r' with 'p' in the sentence.

Output: stone and white coloped stpuctupe in fpont of white modepn building


Input: Consider Input: Sentence: 'a baseball player swings his bat at a pitch'. Replace the letter 's' with 'l' in the sentence.

Output: a baleball player lwingl hil bat at a pitch


Input: Consider Input: Sentence: 'two horses graze freely in the open field'. Replace the letter 'n' with 'w' in the sentence.


Output: two horses graze freely iw the opew field