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: 'group of antelopes and deer standing outside in a savannah'. Reverse all words of length '9' in the given sentence.
Example Output: group of sepoletna and deer standing outside in a savannah

Example Input: Sentence: 'a small kitchen with oak cabinets and white appliances'. Reverse all words of length '10' in the given sentence.
Example Output: a small kitchen with oak cabinets and white secnailppa

Example Input: Sentence: 'people sitting on a bench watching a soccer game'. Reverse all words of length '2' in the given sentence.
Example Output:
people sitting no a bench watching a soccer game