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: 'many cows on a field of grass with trees in the background'. Reverse all words of length '1' in the given sentence.
Example Output: many cows on a field of grass with trees in the background

Example Input: Sentence: 'two birds standing on a branch eating fruit'. Reverse all words of length '2' in the given sentence.
Example Output:
two birds standing no a branch eating fruit