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 couple walking in the rain using and umbrella'. Reverse all words of length '6' in the given sentence.
[EX A]: a elpuoc walking in the rain using and umbrella

[EX Q]: Sentence: 'two cats facing left one on laptop the other on the table'. Reverse all words of length '4' in the given sentence.
[EX A]: two stac facing tfel one on laptop the other on the table

[EX Q]: Sentence: 'two giraffes standing in an open field next to trees'. Reverse all words of length '5' in the given sentence.
[EX A]:
two giraffes standing in an open dleif next to seert