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: 'this poster is advertising high performance with a girl riding a bicycle and some taxis on the street'. Replace the letter 't' with 'f' in the sentence.
answer:
fhis posfer is adverfising high performance wifh a girl riding a bicycle and some faxis on fhe sfreef

question:
Sentence: 'a herd of zebra stand together and eat grass'. Replace the letter 'n' with 'r' in the sentence.
answer:
a herd of zebra stard together ard eat grass