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: 'a dog is catching a frisbee at a competition'. Reverse all words of length '11' in the given sentence.

Ex Output:
a dog is catching a frisbee at a noititepmoc


Ex Input:
Sentence: 'a herd of zebra standing in a forest'. Reverse all words of length '1' in the given sentence.

Ex Output:
a herd of zebra standing in a forest


Ex Input:
Sentence: 'three motorcycles stop at an intersection at an oriental restaurant'. Reverse all words of length '2' in the given sentence.

Ex Output:

three motorcycles stop ta na intersection ta na oriental restaurant