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

Input: Consider Input: Sentence: 'a man sitting on a luggage cart inside of an airport'. Replace the letter 't' with 'a' in the sentence.

Output: a man siaaing on a luggage cara inside of an airpora


Input: Consider Input: Sentence: 'a boy is sitting at a dinner table with his food'. Replace the letter 't' with 'r' in the sentence.

Output: a boy is sirring ar a dinner rable wirh his food


Input: Consider Input: Sentence: 'a branded truck on a parking bay on a roadside'. Replace the letter 'r' with 'a' in the sentence.


Output: a baanded tauck on a paaking bay on a aoadside