In this task, you need to replace a letter in the sentence with another given letter.

[EX Q]: Sentence: 'a horse in a country field with woods in the background'. Replace the letter 'a' with 'i' in the sentence.
[EX A]: i horse in i country field with woods in the bickground

[EX Q]: Sentence: 'a photo of a river with a train bridge across it'. Replace the letter 'r' with 'f' in the sentence.
[EX A]: a photo of a fivef with a tfain bfidge acfoss it

[EX Q]: Sentence: 'two dogs resting comfortably on a tiled floor'. Replace the letter 't' with 'q' in the sentence.
[EX A]:
qwo dogs resqing comforqably on a qiled floor