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

Q: Sentence: 'a man in a baseball cap watching something in the air'. Replace the letter 'g' with 'o' in the sentence.

A: a man in a baseball cap watchino somethino in the air
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Q: Sentence: 'a fire hydrant with a message painted on it'. Replace the letter 'n' with 'j' in the sentence.

A: a fire hydrajt with a message paijted oj it
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Q: Sentence: 'a group of people walking in line on a sidewalk'. Replace the letter 'p' with 'n' in the sentence.

A:
a groun of neonle walking in line on a sidewalk
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