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 large long train on a steel track'. Reverse all words of length '2' in the given sentence.
a large long train no a steel track

Sentence: 'a small plane sitting on top of a tarmac'. Reverse all words of length '2' in the given sentence.
a small plane sitting no top fo a tarmac

Sentence: 'two cows are looking through a fence by a red fire hydrant'. Reverse all words of length '4' in the given sentence.

two swoc are looking through a fence by a red erif hydrant