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: 'numerous individuals are appreciating life and having an incredible time'. Reverse all words of length '11' in the given sentence.
Example Output: numerous slaudividni are appreciating life and having an incredible time

Example Input: Sentence: 'one man waves while another rides a skateboard on a ramp'. Reverse all words of length '10' in the given sentence.
Example Output: one man waves while another rides a draobetaks on a ramp

Example Input: Sentence: 'this is a picture of a hanging shelf holding several hats'. Reverse all words of length '5' in the given sentence.
Example Output:
this is a picture of a hanging flehs holding several hats