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: 'kite flying washington dc with smithsonian and washington monument in background'. Reverse all words of length '11' in the given sentence.
Example Output: kite flying washington dc with nainoshtims and washington monument in background

Example Input: Sentence: 'there are several different items of food on this fancy plate'. Reverse all words of length '2' in the given sentence.
Example Output: there are several different items fo food no this fancy plate

Example Input: Sentence: 'a group of people sit around at a table with laptops'. Reverse all words of length '6' in the given sentence.
Example Output:
a group of elpoep sit dnuora at a table with laptops