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 moves over snowy rail road tracks'. Replace the letter 'v' with 'w' in the sentence.

Answer: a red train mowes ower snowy rail road tracks


Question: Sentence: 'several older electronics, including cellular phones and a palm pilot with a  broken screen next to each other in white box enclosure'. Replace the letter 'u' with 't' in the sentence.

Answer: several older electronics, incltding celltlar phones and a palm pilot with a  broken screen next to each other in white box enclostre


Question: Sentence: 'a person on a snowboard doing a trick off of a pipe'. Replace the letter 'n' with 'z' in the sentence.

Answer:
a persoz oz a szowboard doizg a trick off of a pipe