In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a red stop sign sitting on the side of a road'. Replace the letter 'r' with 'o' in the sentence.

Answer: a oed stop sign sitting on the side of a ooad


Question: Sentence: 'a man sitting at a table and using his laptop'. Replace the letter 'd' with 'o' in the sentence.

Answer: a man sitting at a table ano using his laptop


Question: Sentence: 'a man looking at the back of his cell phone'. Replace the letter 'i' with 'c' in the sentence.

Answer:
a man lookcng at the back of hcs cell phone