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 living room filled with furniture and windows'. Reverse all words of length '1' in the given sentence.
a living room filled with furniture and windows

Sentence: 'a group of people loading a tour bus'. Reverse all words of length '3' in the given sentence.
a group of people loading a tour sub

Sentence: 'person in a khaki shirt with a white frisbee on their face in a park'. Reverse all words of length '7' in the given sentence.

person in a khaki shirt with a white eebsirf on their face in a park