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.

[Q]: Sentence: 'an elderly man in a jacket is walking outside of a window'. Reverse all words of length '3' in the given sentence.
[A]: an elderly nam in a jacket is walking outside of a window


[Q]: Sentence: 'a man watches two giraffes eating from a box'. Reverse all words of length '4' in the given sentence.
[A]: a man watches two giraffes eating morf a box


[Q]: Sentence: 'woman holding a beer while throwing a frisbee'. Reverse all words of length '4' in the given sentence.
[A]:
woman holding a reeb while throwing a frisbee