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

[EX Q]: Sentence: 'a shot looks down on a person riding a long board'. Replace the letter 'o' with 'u' in the sentence.
[EX A]: a shut luuks duwn un a persun riding a lung buard

[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: 'a cat is peeping out from under a blanket'. Replace the letter 'i' with 'b' in the sentence.
[EX A]:
a cat bs peepbng out from under a blanket