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 white dining table and two chairs by a window and a cat in the corner'. Reverse all words of length '6' in the given sentence.

a white gninid table and two sriahc by a wodniw and a cat in the renroc