In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a room with a bed, lamps, tables and pillows'. Replace the letter 's' with 'b' in the sentence.

Answer: a room with a bed, lampb, tableb and pillowb


Question: Sentence: 'a group of men sitting at a desk with lap top computers'. Replace the letter 'p' with 'z' in the sentence.

Answer: a grouz of men sitting at a desk with laz toz comzuters


Question: Sentence: 'a backpack next to a television and a gaming system'. Replace the letter 'k' with 'u' in the sentence.

Answer:
a bacupacu next to a television and a gaming system