In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a bathroom that has a sink and a toilet'. Replace the letter 's' with 'a' in the sentence.

Answer: a bathroom that haa a aink and a toilet

Question: Sentence: 'a zebra patterned set of hair brushes sitting on each other'. Replace the letter 'r' with 'a' in the sentence.

Answer: a zebaa patteaned set of haia baushes sitting on each othea

Question: Sentence: 'a cat is curled up on top of the keyboard of a working laptop'. Replace the letter 'f' with 'k' in the sentence.

Answer:
a cat is curled up on top ok the keyboard ok a working laptop