In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a group of people are using their laptops in the dark'. Replace the letter 'p' with 'b' in the sentence.

Answer: a groub of beoble are using their labtobs in the dark

Question: Sentence: 'subway train approaching the platform of a subway station'. Replace the letter 'y' with 'c' in the sentence.

Answer: subwac train approaching the platform of a subwac station

Question: Sentence: 'a living room with a fireplace and chandelier'. Replace the letter 'i' with 'v' in the sentence.

Answer:
a lvvvng room wvth a fvreplace and chandelver