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: 'skateboarder performing a grind on the side of the wall'. Reverse all words of length '4' in the given sentence.

Ex Output:
skateboarder performing a grind on the edis of the llaw


Ex Input:
Sentence: 'pair of dogs watching television in living area of home'. Reverse all words of length '8' in the given sentence.

Ex Output:
pair of dogs gnihctaw television in living area of home


Ex Input:
Sentence: 'a blue street sign points to a church'. Reverse all words of length '2' in the given sentence.

Ex Output:

a blue street sign points ot a church