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 water bottle sitting on top of a counter'. Reverse all words of length '6' in the given sentence.
a water elttob sitting on top of a counter

Sentence: 'a window with the curtain drawn facing a brick building'. Reverse all words of length '1' in the given sentence.
a window with the curtain drawn facing a brick building

Sentence: 'a yellow train is running on the train tracks'. Reverse all words of length '6' in the given sentence.

a wolley train is running on the train skcart