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: 'a kitchen area with refrigerator in the background and a sink and stovetop oven on the side surrounded with wooden cabinets'. Reverse all words of length '3' in the given sentence.

a kitchen area with refrigerator in eht background dna a sink dna stovetop oven on eht side surrounded with wooden cabinets