In this task, you need to reverse all words of a given length in the sentence. The number of letters in a word determine its length. For example, the length of the word "apple" is 5.

[EX Q]: Sentence: 'two men are playing a wii boxing game'. Reverse all words of length '4' in the given sentence.
[EX A]: two men are playing a wii boxing emag

[EX Q]: Sentence: 'the blue pair of scissors is next to cut pieces of plastic'. Reverse all words of length '8' in the given sentence.
[EX A]: the blue pair of srossics is next to cut pieces of plastic

[EX Q]: Sentence: 'a herd of sheep walk across a grass field'. Reverse all words of length '2' in the given sentence.
[EX A]:
a herd fo sheep walk across a grass field