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.

Input: Consider Input: Sentence: 'a group of zebras gather at a watering hole'. Reverse all words of length '1' in the given sentence.

Output: a group of zebras gather at a watering hole


Input: Consider Input: Sentence: 'a city truck two city buses and a yellow fire hydrant'. Reverse all words of length '4' in the given sentence.

Output: a ytic truck two ytic buses and a yellow erif hydrant


Input: Consider Input: Sentence: 'a white boat traveling across a body of water'. Reverse all words of length '2' in the given sentence.


Output: a white boat traveling across a body fo water