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 people sitting on a wooden bench'. Reverse all words of length '1' in the given sentence.

Output: a group of people sitting on a wooden bench


Input: Consider Input: Sentence: 'white scooter sitting behind a glass display in a building'. Reverse all words of length '1' in the given sentence.

Output: white scooter sitting behind a glass display in a building


Input: Consider Input: Sentence: 'a young man is on his surf board in the water'. Reverse all words of length '1' in the given sentence.


Output: a young man is on his surf board in the water