In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.

Answer: a group of people walkiig aloig a dirty siow covered road


Question: Sentence: 'a man riding a snowboard on the side of a wall'. Replace the letter 'm' with 'p' in the sentence.

Answer: a pan riding a snowboard on the side of a wall


Question: Sentence: 'a school bus with a sign that says short bus with a rack of shirts and potted plants in front of it'. Replace the letter 's' with 'z' in the sentence.

Answer:
a zchool buz with a zign that zayz zhort buz with a rack of zhirtz and potted plantz in front of it