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 man extends his arm with a frisbee in hand as another reaches to grab it while teammates watch'. Replace the letter 'a' with 'g' in the sentence.

Answer: g mgn extends his grm with g frisbee in hgnd gs gnother regches to grgb it while tegmmgtes wgtch

Question: Sentence: 'there is a teapot and cups on the tray'. Replace the letter 'h' with 'z' in the sentence.

Answer:
tzere is a teapot and cups on tze tray