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.

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.
a herd of sesroh is exercised in the yard led by a man on horseback

Sentence: 'a man with a tennis racket gets ready to hit a ball'. Reverse all words of length '5' in the given sentence.
a man with a tennis racket gets ydaer to hit a ball

Sentence: 'a police officer sits atop a police issued motorcycle'. Reverse all words of length '6' in the given sentence.

a ecilop officer sits atop a ecilop deussi motorcycle

