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

[EX Q]: Sentence: 'a police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.
[EX A]: a police officer on a aorse is riding down tae street

[EX Q]: Sentence: 'a single person is working in the cluttered kitchen'. Replace the letter 'n' with 'e' in the sentence.
[EX A]: a siegle persoe is workieg ie the cluttered kitchee

[EX Q]: Sentence: 'a woman with a nice umbrella very smiley'. Replace the letter 'm' with 'h' in the sentence.
[EX A]:
a wohan with a nice uhbrella very shiley