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 cat attentively watching a graphic on a television screen'. Reverse all words of length '7' in the given sentence.
Example Output: a cat attentively watching a cihparg on a television screen

Example Input: Sentence: 'a plate of food that includes fish and broccoli'. Reverse all words of length '8' in the given sentence.
Example Output: a plate of food that sedulcni fish and iloccorb

Example Input: Sentence: 'a sausage on a bun next to very large fries'. Reverse all words of length '2' in the given sentence.
Example Output:
a sausage no a bun next ot very large fries