instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a boy taking a nap with his dog on a bed'. Replace the letter 'o' with 'i' in the sentence.
answer:
a biy taking a nap with his dig in a bed


question:
Sentence: 'a police officer on a horse is riding down the street'. Replace the letter 'h' with 'a' in the sentence.
answer:
a police officer on a aorse is riding down tae street


question:
Sentence: 'gourmet pizza cooked and sliced and on a plate'. Replace the letter 'o' with 'h' in the sentence.
answer:

ghurmet pizza chhked and sliced and hn a plate