TASK DEFINITION: In this task, you need to replace a letter in the sentence with another given letter.
PROBLEM: Sentence: 'a man holding a baseball bat wearing a baseball uniform'. Replace the letter 'f' with 'h' in the sentence.

SOLUTION: a man holding a baseball bat wearing a baseball unihorm

PROBLEM: Sentence: 'a suitcase is sitting on a sidewalk near trees'. Replace the letter 's' with 'd' in the sentence.

SOLUTION: a duitcade id ditting on a didewalk near treed

PROBLEM: Sentence: 'a person using an electronic device in a dark background'. Replace the letter 'k' with 'w' in the sentence.

SOLUTION:
a person using an electronic device in a darw bacwground