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 couple of women sitting on a bench with a dog'. Reverse all words of length '4' in the given sentence.

Ex Output:
a couple of women sitting on a bench htiw a dog


Ex Input:
Sentence: 'a young teenage girl practicing skiing on small waves'. Reverse all words of length '2' in the given sentence.

Ex Output:
a young teenage girl practicing skiing no small waves


Ex Input:
Sentence: 'a large tanker truck driving down a road'. Reverse all words of length '4' in the given sentence.

Ex Output:

a large tanker truck driving nwod a daor