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 Input:
Sentence: 'the dog looks up at the cat sitting on a stone'. Reverse all words of length '1' in the given sentence.

Ex Output:
the dog looks up at the cat sitting on a stone


Ex Input:
Sentence: 'a hand holds a napkin with a doughnut as potatoes sit in the bathroom'. Reverse all words of length '1' in the given sentence.

Ex Output:
a hand holds a napkin with a doughnut as potatoes sit in the bathroom


Ex Input:
Sentence: 'a large herd of sheep being herded by a tractor'. Reverse all words of length '1' in the given sentence.

Ex Output:

a large herd of sheep being herded by a tractor