In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'three men playing in a men's doubles tennis match'. Replace the letter 'e' with 'l' in the sentence.

Answer: thrll mln playing in a mln's doublls tlnnis match

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 crouching down in front of an open refrigerator'. Replace the letter 'a' with 'l' in the sentence.

Answer:
l person crouching down in front of ln open refrigerltor