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

Input: Consider Input: Sentence: 'a man standing on a tennis court holding a tennis racquet'. Replace the letter 'c' with 'y' in the sentence.

Output: a man standing on a tennis yourt holding a tennis rayquet


Input: Consider Input: Sentence: 'a no parking sign next to a car riding down a street'. Replace the letter 'g' with 'l' in the sentence.

Output: a no parkinl siln next to a car ridinl down a street


Input: Consider Input: Sentence: 'a guy and a woman riding on the back of an elephant'. Replace the letter 'o' with 'f' in the sentence.


Output: a guy and a wfman riding fn the back ff an elephant