In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a person who is looking at their cell phone'. Replace the letter 'o' with 'b' in the sentence.

Answer: a persbn whb is lbbking at their cell phbne


Question: Sentence: 'traffic congestion with cars and an electric tram'. Replace the letter 'a' with 'k' in the sentence.

Answer: trkffic congestion with ckrs knd kn electric trkm


Question: Sentence: 'a man holding a shopping bag crossing a street holding a shopping bag'. Replace the letter 'n' with 'b' in the sentence.

Answer:
a mab holdibg a shoppibg bag crossibg a street holdibg a shoppibg bag