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.

Sentence: 'a hotdog with cheese with a side of chili fries'. Reverse all words of length '4' in the given sentence.
a hotdog htiw cheese htiw a edis of chili fries

Sentence: 'a clean bathroom is shown with simple accessories'. Reverse all words of length '5' in the given sentence.
a naelc bathroom is nwohs with simple accessories

Sentence: 'a black horse sticking its head over the fence'. Reverse all words of length '5' in the given sentence.

a kcalb esroh sticking its head over the ecnef