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 decorative umbrella and various other items on display'. Reverse all words of length '5' in the given sentence.

Ex Output:
a decorative umbrella and various rehto smeti on display


Ex Input:
Sentence: 'a person in bear feet standing on a skateboard'. Reverse all words of length '4' in the given sentence.

Ex Output:
a person in raeb teef standing on a skateboard


Ex Input:
Sentence: 'two giraffes stand side by side as people watch from beyond a fence'. Reverse all words of length '5' in the given sentence.

Ex Output:

two giraffes dnats side by side as people hctaw from beyond a ecnef