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 male in a white shirt is surfing in some dirt'. Reverse all words of length '2' in the given sentence.
[EX A]: a male ni a white shirt si surfing ni some dirt

[EX Q]: Sentence: 'a man walking a brown horse down a race track'. Reverse all words of length '4' in the given sentence.
[EX A]: a man walking a brown horse nwod a ecar track

[EX Q]: Sentence: 'a very big nice looking old style fighter plane'. Reverse all words of length '3' in the given sentence.
[EX A]:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
a very gib nice looking dlo style fighter plane

