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

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


[Q]: Sentence: 'a person and a dog are on a bench'. Replace the letter 'e' with 'r' in the sentence.
[A]: a prrson and a dog arr on a brnch


[Q]: Sentence: 'several kites that are being flown on a sunny day'. Replace the letter 'b' with 'k' in the sentence.
[A]:
several kites that are keing flown on a sunny day