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

[EX Q]: Sentence: 'a small child reaching back with a wii remote'. Replace the letter 'l' with 'o' in the sentence.
[EX A]: a smaoo chiod reaching back with a wii remote

[EX Q]: Sentence: 'a lonley giraffe is making a trek in the wild'. Replace the letter 'r' with 'h' in the sentence.
[EX A]: a lonley gihaffe is making a thek in the wild

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