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.

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

Example Input: Sentence: 'the bicyclists race toward an old brick church'. Reverse all words of length '2' in the given sentence.
Example Output: the bicyclists race toward na old brick church

Example Input: Sentence: 'an uncooked pizza has chunks of cheese and pepperoni'. Reverse all words of length '8' in the given sentence.
Example Output:
an dekoocnu pizza has chunks of cheese and pepperoni