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 group of snow boarders pose in the snow on top of a hill'. Reverse all words of length '5' in the given sentence.
a puorg of snow boarders pose in the snow on top of a hill

Sentence: 'a clean bathroom is shown with simple accessories'. Reverse all words of length '5' in the given sentence.
a naelc bathroom is nwohs with simple accessories

Sentence: 'burgandy colored train coming around the tracks in wooded area'. Reverse all words of length '8' in the given sentence.

ydnagrub colored train coming around the tracks in wooded area