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

Q: Sentence: 'a close up of a train on train tracks at night'. Replace the letter 'n' with 'm' in the sentence.

A: a close up of a traim om traim tracks at might
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Q: Sentence: 'a black velvety chair with chrome colored frame'. Replace the letter 'a' with 'z' in the sentence.

A: z blzck velvety chzir with chrome colored frzme
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Q: Sentence: 'a person takes a picture of themselves holding a sandwich'. Replace the letter 'i' with 's' in the sentence.

A:
a person takes a pscture of themselves holdsng a sandwsch
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