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

[Q]: Sentence: 'a zebra standing by a pile of large rocks'. Replace the letter 'i' with 'x' in the sentence.
[A]: a zebra standxng by a pxle of large rocks


[Q]: Sentence: 'a couple of giraffe standing next to each other near  a fence'. Replace the letter 'f' with 'j' in the sentence.
[A]: a couple oj girajje standing next to each other near  a jence


[Q]: Sentence: 'a person wearing a backpack skiing past a tree that's covered in snow'. Replace the letter 'k' with 'v' in the sentence.
[A]:
a person wearing a bacvpacv sviing past a tree that's covered in snow