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: 'the tour buses are driving away from the building'. Reverse all words of length '5' in the given sentence.
the tour sesub are driving away from the building

Sentence: 'a blue sign sitting on the side of a road next to a tree'. Reverse all words of length '1' in the given sentence.
a blue sign sitting on the side of a road next to a tree

Sentence: 'a man taking a swing at  a tennis ball'. Reverse all words of length '5' in the given sentence.

a man taking a gniws at a tennis ball