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

[EX Q]: 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.
[EX A]: a tower type buildixg structure with a large clock axd maxy wixdows ix froxt of a cloudy blue sky

[EX Q]: Sentence: 'a dog wearing a hat on top of it's head'. Replace the letter 'g' with 'o' in the sentence.
[EX A]: a doo wearino a hat on top of it's head

[EX Q]: Sentence: 'a man holding his racket down while standing on a tennis court'. Replace the letter 'd' with 'e' in the sentence.
[EX A]:
a man holeing his racket eown while staneing on a tennis court