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: 'people watching a music concert being performed on a stage'. Reverse all words of length '5' in the given sentence.

Output: people watching a cisum concert gnieb performed on a egats


Input: Consider Input: Sentence: 'the cox is standing behind the fence alone'. Reverse all words of length '2' in the given sentence.

Output: the cox si standing behind the fence alone


Input: Consider Input: Sentence: 'a picture of a boat that is in the water'. Reverse all words of length '7' in the given sentence.


Output: a erutcip of a boat that is in the water