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: 'the dog looks up at the cat sitting on a stone'. Reverse all words of length '1' in the given sentence.
the dog looks up at the cat sitting on a stone

Sentence: 'yachts are all tied up in a marina dock'. Reverse all words of length '3' in the given sentence.
yachts era lla tied up in a marina dock

Sentence: 'a woman eating an orange has a dog near her'. Reverse all words of length '2' in the given sentence.

a woman eating na orange has a dog near her