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 man is standing on a sidewalk with his bike'. Reverse all words of length '3' in the given sentence.
[EX A]: a nam is standing on a sidewalk with sih bike

[EX Q]: Sentence: 'a road decorated for christmas and trees without leaves'. Reverse all words of length '1' in the given sentence.
[EX A]: a road decorated for christmas and trees without leaves

[EX Q]: Sentence: 'two cows stand in a field with tall grass and weeds'. Reverse all words of length '3' in the given sentence.
[EX A]:
owt cows stand in a field with tall grass dna weeds