instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'a baseball player running to third base from second'. Replace the letter 'a' with 'u' in the sentence.
answer:
u busebull pluyer running to third buse from second

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: 'guy riding a empty carriage bike down the street'. Replace the letter 'r' with 'u' in the sentence.
answer:
guy uiding a empty cauuiage bike down the stueet