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

Input: Consider Input: Sentence: 'a fire hydrant and a rolled up fire hose'. Replace the letter 'd' with 's' in the sentence.

Output: a fire hysrant ans a rolles up fire hose


Input: Consider Input: Sentence: 'an old rusty car sits outside of an old building'. Replace the letter 'o' with 'r' in the sentence.

Output: an rld rusty car sits rutside rf an rld building


Input: Consider Input: Sentence: 'a woman in a bikini sitting on top of a lawn chair'. Replace the letter 'w' with 'c' in the sentence.


Output: a coman in a bikini sitting on top of a lacn chair