In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a man is on a saddled horse with reins'. Replace the letter 's' with 'o' in the sentence.

Answer: a man io on a oaddled horoe with reino


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 lobby decorated with many different colorful umbrellas'. Replace the letter 'b' with 'z' in the sentence.

Answer:
a lozzy decorated with many different colorful umzrellas