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 hand is holding an iced doughnut with sprinkles'. Reverse all words of length '1' in the given sentence.
a hand is holding an iced doughnut with sprinkles

Sentence: 'a delicious plate of churro with chocolate sauce'. Reverse all words of length '9' in the given sentence.
a suoiciled plate of churro with etalocohc sauce

Sentence: 'a purple bird is perched on a tree branch'. Reverse all words of length '4' in the given sentence.

a purple drib is perched on a eert branch

