In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a red train sitting at an empty station'. Replace the letter 'i' with 'h' in the sentence.

Answer: a red trahn shtthng at an empty stathon


Question: Sentence: 'people wait for a train on a snowy sidewalk'. Replace the letter 'n' with 'm' in the sentence.

Answer: people wait for a traim om a smowy sidewalk


Question: Sentence: 'five slices of a mushroom pizza on a white plate on a checked tablecloth'. Replace the letter 'i' with 'n' in the sentence.

Answer:
fnve slnces of a mushroom pnzza on a whnte plate on a checked tablecloth