In this task, you need to replace a letter in the sentence with another given letter.
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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 boy is sitting at a dinner table with his food'. Replace the letter 't' with 'r' in the sentence.

Answer: a boy is sirring ar a dinner rable wirh his food


Question: Sentence: 'an old brick building has a sign and a clock mounted onto it'. Replace the letter 'e' with 'w' in the sentence.

Answer:
an old brick building has a sign and a clock mountwd onto it