instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a house cat sits on an oven door, sniffing the oven racks inside'. Replace the letter 'i' with 'y' in the sentence.
answer:
a house cat syts on an oven door, snyffyng the oven racks ynsyde


question:
Sentence: 'a skier with his legs covered in snow lifts one of his feet to stamp it'. Replace the letter 's' with 'y' in the sentence.
answer:
a ykier with hiy legy covered in ynow lifty one of hiy feet to ytamp it


question:
Sentence: 'two men leaning on a street sign on a corner'. Replace the letter 'e' with 'n' in the sentence.
answer:

two mnn lnaning on a strnnt sign on a cornnr