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

Input: Consider Input: Sentence: 'two men running for a soccer ball on a field'. Replace the letter 'd' with 'a' in the sentence.

Output: two men running for a soccer ball on a fiela


Input: Consider Input: Sentence: 'a fire fighter climbs onto the roof of a market with a ladder'. Replace the letter 'r' with 'k' in the sentence.

Output: a fike fightek climbs onto the koof of a makket with a laddek


Input: Consider Input: Sentence: 'two children who are standing next to a white fire hydrant'. Replace the letter 't' with 'r' in the sentence.


Output: rwo children who are sranding nexr ro a whire fire hydranr