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.

[EX Q]: Sentence: 'an openair tour bus driving in a city'. Reverse all words of length '7' in the given sentence.
[EX A]: an rianepo tour bus gnivird in a city

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

[EX Q]: Sentence: 'a man on a surfboard riding a wave'. Reverse all words of length '1' in the given sentence.
[EX A]:
a man on a surfboard riding a wave