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 black cat laying on top of a couch next to a tv remote control'. Reverse all words of length '6' in the given sentence.
Example Output: a black cat gniyal on top of a couch next to a tv etomer control

Example Input: Sentence: 'a row of parked buses sitting in front of a buiding'. Reverse all words of length '6' in the given sentence.
Example Output: a row of dekrap buses sitting in front of a buiding

Example Input: Sentence: 'a lad touching her nose under a red umbrella'. Reverse all words of length '8' in the given sentence.
Example Output:
a lad gnihcuot her nose under a red allerbmu