Definition: 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.
Input: Sentence: 'an empty commercial kitchen with bowls on the counter and stacks of trays on the shelf above'. Reverse all words of length '5' in the given sentence.

an ytpme commercial kitchen with slwob on the counter and stacks of syart on the flehs evoba