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: 'bathroom scene taken from above showing blue sink and blue commode but commode cover and seat are tan'. Reverse all words of length '4' in the given sentence.

bathroom scene taken morf above showing eulb knis and eulb commode but commode cover and taes are tan