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 woman sitting at an outside patio table under a blue umbrella eating food'. Reverse all words of length '7' in the given sentence.
Example Output: a woman gnittis at an edistuo patio table under a blue umbrella eating food

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 woman is looking over a ledge where a small bird is perched'. Reverse all words of length '4' in the given sentence.
Example Output:
a woman is looking revo a ledge where a small drib is perched