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 couple of giraffes standing in front of a metal fence'. Reverse all words of length '8' in the given sentence.
a couple of seffarig gnidnats in front of a metal fence

Sentence: 'a person holding a black remote control in their right hand'. Reverse all words of length '5' in the given sentence.
a person holding a kcalb remote control in rieht thgir hand

Sentence: 'a strangely colored bear is walking a small path between patches of snow'. Reverse all words of length '5' in the given sentence.

a strangely colored bear is walking a llams path between patches of snow