In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'a couple of brown bears walking across a lush green field'. Replace the letter 'w' with 'o' in the sentence.

Answer: a couple of broon bears oalking across a lush green field


Question: Sentence: 'a man eats food that is inside a banana peel'. Replace the letter 'n' with 'k' in the sentence.

Answer: a mak eats food that is ikside a bakaka peel


Question: Sentence: 'looks like a portrait of a distinguished gentleman'. Replace the letter 's' with 'x' in the sentence.

Answer:
lookx like a portrait of a dixtinguixhed gentleman