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 kids playing soccer with a ball while a referee watches closely'. Reverse all words of length '4' in the given sentence.
[EX A]: two sdik playing soccer htiw a llab while a referee watches closely

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

[EX Q]: Sentence: 'a white plate with a piece of meat lettuce and a cup of juice'. Reverse all words of length '7' in the given sentence.
[EX A]:
a white plate with a piece of meat ecuttel and a cup of juice