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: 'a hand reaching out towards a standing giraffe'. Reverse all words of length '7' in the given sentence.
[EX A]: a hand reaching out sdrawot a standing effarig

[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: 'a herd of elephants in body of water next to man in yellow shirt'. Reverse all words of length '2' in the given sentence.
[EX A]:
a herd fo elephants ni body fo water next ot man ni yellow shirt