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

[EX Q]: Sentence: 'a small bird perched on some thin branches'. Replace the letter 'a' with 'f' in the sentence.
[EX A]: f smfll bird perched on some thin brfnches

[EX Q]: Sentence: 'a child taking the paper off a box sitting on the floor'. Replace the letter 'c' with 'b' in the sentence.
[EX A]: a bhild taking the paper off a box sitting on the floor

[EX Q]: Sentence: 'a man in a wet suit holding a surfboard while heading for the ocean waves'. Replace the letter 'g' with 'z' in the sentence.
[EX A]:
a man in a wet suit holdinz a surfboard while headinz for the ocean waves