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: 'three people in a dog carrying items walking along the beach'. Reverse all words of length '7' in the given sentence.

Ex Output:
three people in a dog carrying items gniklaw along the beach


Ex Input:
Sentence: 'this cat is sitting on a porch near a tire'. Reverse all words of length '7' in the given sentence.

Ex Output:
this cat is gnittis on a porch near a tire


Ex Input:
Sentence: 'a picture of a very clean white bathroom'. Reverse all words of length '7' in the given sentence.

Ex Output:

a erutcip of a very clean white bathroom