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.

Ex Input:
Sentence: 'a person wearing a black jacket is standing next to a horse'. Reverse all words of length '8' in the given sentence.

Ex Output:
a person wearing a black jacket is gnidnats next to a horse


Ex Input:
Sentence: 'kite flying washington dc with smithsonian and washington monument in background'. Reverse all words of length '11' in the given sentence.

Ex Output:
kite flying washington dc with nainoshtims and washington monument in background


Ex Input:
Sentence: 'a pair of small boots with flowers in them'. Reverse all words of length '1' in the given sentence.

Ex Output:

a pair of small boots with flowers in them