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 man trying to hit a ball that is close to the ground'. Reverse all words of length '1' in the given sentence.
a man trying to hit a ball that is close to the ground

Sentence: 'pictures a candle a single flower and a stuffed bear on a table'. Reverse all words of length '6' in the given sentence.
pictures a eldnac a elgnis rewolf and a stuffed bear on a table

Sentence: 'a big windmill that has some cows near by'. Reverse all words of length '8' in the given sentence.

a big llimdniw that has some cows near by