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 baby wearing a bib setting at a table with food on it'. Reverse all words of length '7' in the given sentence.
Example Output: a baby gniraew a bib gnittes at a table with food on it

Example Input: Sentence: 'someone is holding a computer on top of two plastic barrels'. Reverse all words of length '1' in the given sentence.
Example Output: someone is holding a computer on top of two plastic barrels

Example Input: Sentence: 'a young man riding  a surfboard in the ocean'. Reverse all words of length '2' in the given sentence.
Example Output:
a young man riding a surfboard ni the ocean