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

Input: Consider Input: Sentence: 'a tower type building structure with a large clock and many windows in front of a cloudy blue sky'. Replace the letter 'n' with 'x' in the sentence.

Output: a tower type buildixg structure with a large clock axd maxy wixdows ix froxt of a cloudy blue sky

Input: Consider Input: Sentence: 'a painting of scissors going to cut a chain with a lock'. Replace the letter 'g' with 'v' in the sentence.

Output: a paintinv of scissors voinv to cut a chain with a lock

Input: Consider Input: Sentence: 'a woman skateboarding down a hill wearing a helmet'. Replace the letter 'e' with 'w' in the sentence.
Output: a woman skatwboarding down a hill wwaring a hwlmwt