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 bird looks around as it sits on a wire'. Reverse all words of length '4' in the given sentence.
a drib looks around as it stis on a eriw

Sentence: 'an orange and white bus driving down a city street'. Reverse all words of length '1' in the given sentence.
an orange and white bus driving down a city street

Sentence: 'a person wearing a yellow shirt rides a surf board'. Reverse all words of length '1' in the given sentence.

a person wearing a yellow shirt rides a surf board