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

Q: Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.

A: a group of people walkiig aloig a dirty siow covered road
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Q: Sentence: 'a toilet in a bathroom with small white tile on the floor'. Replace the letter 'a' with 'p' in the sentence.

A: p toilet in p bpthroom with smpll white tile on the floor
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Q: Sentence: 'a small brown dog standing next to a mirror in a room'. Replace the letter 'n' with 'z' in the sentence.

A:
a small browz dog stazdizg zext to a mirror iz a room
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