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 cat attentively watching a graphic on a television screen'. Reverse all words of length '7' in the given sentence.

Ex Output:
a cat attentively watching a cihparg on a television screen


Ex Input:
Sentence: 'an umbrella sitting on top of a hill next to a body of water'. Reverse all words of length '4' in the given sentence.

Ex Output:
an umbrella sitting on top of a llih txen to a ydob of water


Ex Input:
Sentence: 'a laptop that is on top of a desk'. Reverse all words of length '4' in the given sentence.

Ex Output:

a laptop taht is on top of a ksed