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.

Sentence: 'a dog sitting in the passenger seat of a vehicle'. Reverse all words of length '9' in the given sentence.
a dog sitting in the regnessap seat of a vehicle

Sentence: 'grown black cat sitting in a blue chair in a living room'. Reverse all words of length '4' in the given sentence.
grown black cat sitting in a eulb chair in a living moor

Sentence: 'a man holding a surfboard is standing on the beach'. Reverse all words of length '5' in the given sentence.

a man holding a surfboard is standing on the hcaeb