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: 'combined kitchen and living room with stools table and chairs and av setup'. Reverse all words of length '4' in the given sentence.

combined kitchen and living moor htiw stools table and chairs and av setup