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 family room area without anybody in it'. Reverse all words of length '7' in the given sentence.

Ex Output:
a family room area tuohtiw ydobyna in it


Ex Input:
Sentence: 'a herd of horses is exercised in the yard led by a man on horseback'. Reverse all words of length '6' in the given sentence.

Ex Output:
a herd of sesroh is exercised in the yard led by a man on horseback


Ex Input:
Sentence: 'a banana sticking out of what looks like a waffle'. Reverse all words of length '4' in the given sentence.

Ex Output:

a banana sticking out of tahw looks ekil a waffle