In this task, you need to replace a letter in the sentence with another given letter.
--------
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 police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.

Answer: a police officer on a aorse is riding down tae street

Question: Sentence: 'the people are riding motor cycles down the street'. Replace the letter 'r' with 'f' in the sentence.

Answer:
the people afe fiding motof cycles down the stfeet