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: 'three giraffes looking over a wooden fence at two women'. Reverse all words of length '8' in the given sentence.
Example Output: three seffarig looking over a wooden fence at two women

Example Input: Sentence: 'dog lying on bottom of enclosed area with people'. Reverse all words of length '5' in the given sentence.
Example Output: dog gniyl on bottom of enclosed area with people

Example Input: Sentence: 'a man in a shop with clocks covering the walls'. Reverse all words of length '6' in the given sentence.
Example Output:
a man in a shop with skcolc covering the walls