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 young brown horse in a blue jacket running in a barn'. Reverse all words of length '4' in the given sentence.
a young brown horse in a eulb jacket running in a nrab

Sentence: 'a dog wearing a wooden tie sitting in its masters lap'. Reverse all words of length '1' in the given sentence.
a dog wearing a wooden tie sitting in its masters lap

Sentence: 'horses are in a field near a forest'. Reverse all words of length '1' in the given sentence.

horses are in a field near a forest