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 happy white man with sunglasses on a boat'. Reverse all words of length '1' in the given sentence.
[EX A]: a happy white man with sunglasses on a boat

[EX Q]: Sentence: 'two giraffes standing next to a fence trying to reach the grass'. Reverse all words of length '6' in the given sentence.
[EX A]: two giraffes standing next to a fence gniyrt to reach the grass

[EX Q]: Sentence: 'park bench on the side of the road in front of red car'. Reverse all words of length '4' in the given sentence.
[EX A]:
krap bench on the edis of the daor in front of red car