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

Q: Sentence: 'a group of people are using their laptops in the dark'. Replace the letter 'p' with 'b' in the sentence.

A: a groub of beoble are using their labtobs in the dark
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Q: Sentence: 'traffic congestion with cars and an electric tram'. Replace the letter 'a' with 'k' in the sentence.

A: trkffic congestion with ckrs knd kn electric trkm
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Q: Sentence: 'a room with a fireplace, chair and couch and many framed items on a wall'. Replace the letter 'a' with 'v' in the sentence.

A:
v room with v fireplvce, chvir vnd couch vnd mvny frvmed items on v wvll
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