instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a man walking a horse on a dirt track'. Replace the letter 't' with 's' in the sentence.
answer:
a man walking a horse on a dirs srack


question:
Sentence: 'a kitchen with a fridge, stove, window, and dining table'. Replace the letter 'd' with 'f' in the sentence.
answer:
a kitchen with a frifge, stove, winfow, anf fining table


question:
Sentence: 'a street corner has a sign, and across the street is a store'. Replace the letter 'e' with 'l' in the sentence.
answer:

a strllt cornlr has a sign, and across thl strllt is a storl