In this task, you need to replace a letter in the sentence with another given letter.
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Question: Sentence: 'red helicopter with landing wheels flying in the sky'. Replace the letter 'h' with 'y' in the sentence.

Answer: red yelicopter wity landing wyeels flying in tye sky

Question: Sentence: 'a group of people walking along a dirty snow covered road'. Replace the letter 'n' with 'i' in the sentence.

Answer: a group of people walkiig aloig a dirty siow covered road

Question: Sentence: 'a black and white room with all black or white objects'. Replace the letter 's' with 'h' in the sentence.

Answer:
a black and white room with all black or white objecth