instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a person on a snow board flying through the air'. Replace the letter 'f' with 'n' in the sentence.
answer:
a person on a snow board nlying through the air

question:
Sentence: 'a large bedroom with art over the bed'. Replace the letter 'r' with 'o' in the sentence.
answer:
a laoge bedooom with aot oveo the bed

question:
Sentence: 'a group of people sitting around watching a man make glass'. Replace the letter 'g' with 'y' in the sentence.
answer:
a yroup of people sittiny around watchiny a man make ylass