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: 'the dog looks up at the cat sitting on a stone'. Reverse all words of length '1' in the given sentence.
Example Output: the dog looks up at the cat sitting on a stone

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: 'a tennis player playing tennis on the tennis court'. Reverse all words of length '1' in the given sentence.
Example Output:
a tennis player playing tennis on the tennis court