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 person in skis is standing in the snow'. Reverse all words of length '2' in the given sentence.
[EX A]: a person ni skis si standing ni the snow

[EX Q]: Sentence: 'a woman taking her surf board into the ocean'. Reverse all words of length '3' in the given sentence.
[EX A]: a woman taking reh surf board into eht ocean

[EX Q]: Sentence: 'a giraffe standing in front of a wooden structure'. Reverse all words of length '7' in the given sentence.
[EX A]:
a effarig standing in front of a wooden structure