instruction:
In this task, you need to replace a letter in the sentence with another given letter.
question:
Sentence: 'picture of a gothic church with a blue sky in the background'. Replace the letter 'e' with 'i' in the sentence.
answer:
picturi of a gothic church with a blui sky in thi background


question:
Sentence: 'a double decker bus stopped outside a station on a street'. Replace the letter 'c' with 'y' in the sentence.
answer:
a double deyker bus stopped outside a station on a street


question:
Sentence: 'a pizza sitting on top of a plate covered in cheese and greens'. Replace the letter 'c' with 'w' in the sentence.
answer:

a pizza sitting on top of a plate wovered in wheese and greens