In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a mouse and keyboard sitting on a wooden desk'. Replace the letter 'a' with 'n' in the sentence.

Answer: n mouse nnd keybonrd sitting on n wooden desk


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 view of a group of people standing around in a dirty old room'. Replace the letter 'i' with 'k' in the sentence.

Answer:
a vkew of a group of people standkng around kn a dkrty old room