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: 'an elephant is in a large field standing in the grass'. Reverse all words of length '1' in the given sentence.

Output: an elephant is in a large field standing in the grass


Input: Consider Input: Sentence: 'a man being towed behind a boat on a board'. Reverse all words of length '4' in the given sentence.

Output: a man being towed behind a taob on a board


Input: Consider Input: Sentence: 'a baby looks at a looming elephant wearing a red cloth'. Reverse all words of length '1' in the given sentence.


Output: a baby looks at a looming elephant wearing a red cloth