In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a couch, footrest, tv and other furniture are arranged in a living room'. Replace the letter 'o' with 'g' in the sentence.

Answer: a cguch, fggtrest, tv and gther furniture are arranged in a living rggm


Question: Sentence: 'a book shelf full of books and nick nacks '. Replace the letter 'o' with 'm' in the sentence.

Answer: a bmmk shelf full mf bmmks and nick nacks 


Question: Sentence: 'the sandwich is cut into four small sections'. Replace the letter 'i' with 'f' in the sentence.

Answer:
the sandwfch fs cut fnto four small sectfons