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 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 keyboard equipped with a gel wrist wrest'. Reverse all words of length '1' in the given sentence.
[EX A]: a keyboard equipped with a gel wrist wrest

[EX Q]: Sentence: 'a girls crying looking into a hand held mirror'. Reverse all words of length '7' in the given sentence.
[EX A]:
a girls crying gnikool into a hand held mirror