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.

Sentence: 'a wall decorated with fans and other art work'. Reverse all words of length '1' in the given sentence.
a wall decorated with fans and other art work

Sentence: 'a bird sits atop a post near a boat dock with large boats in the background'. Reverse all words of length '1' in the given sentence.
a bird sits atop a post near a boat dock with large boats in the background

Sentence: 'a couple of brown dogs standing next to each other'. Reverse all words of length '6' in the given sentence.

a elpuoc of brown dogs standing next to each other