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 woman is up to bat at a softball game'. Reverse all words of length '2' in the given sentence.
a woman si pu ot bat ta a softball game

Sentence: 'a gray tiger cat sitting on top of a chair'. Reverse all words of length '3' in the given sentence.
a gray tiger tac sitting on pot of a chair

Sentence: 'a green plant is blooming in a metal vase next to an empty pitcher'. Reverse all words of length '8' in the given sentence.

a green plant is gnimoolb in a metal vase next to an empty pitcher