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

[EX Q]: Sentence: 'a group of people are using their laptops in the dark'. Replace the letter 'p' with 'b' in the sentence.
[EX A]: a groub of beoble are using their labtobs in the dark

[EX Q]: Sentence: 'a long green grain traveling past a white building'. Replace the letter 'w' with 'o' in the sentence.
[EX A]: a long green grain traveling past a ohite building

[EX Q]: Sentence: 'someone feet that are uncovered while that person is sleeping'. Replace the letter 'f' with 'm' in the sentence.
[EX A]:
someone meet that are uncovered while that person is sleeping