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: 'this is people standing in a field with kites'. Reverse all words of length '8' in the given sentence.

Ex Output:
this is people gnidnats in a field with kites


Ex Input:
Sentence: 'small plate of a personal size pizza next to a beer bottle'. Reverse all words of length '4' in the given sentence.

Ex Output:

small plate of a personal ezis pizza txen to a reeb bottle