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: 'three people on a tennis court playing tennis'. Reverse all words of length '6' in the given sentence.
[EX A]: three elpoep on a sinnet court playing sinnet

[EX Q]: Sentence: 'a cow silhouetted against the setting sun on a shore'. Reverse all words of length '3' in the given sentence.
[EX A]:
a woc silhouetted against eht setting nus on a shore