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 man assisting a person on a horse on a race track'. Reverse all words of length '3' in the given sentence.

Output: a nam assisting a person on a horse on a race track


Input: Consider Input: Sentence: 'a woman about to serve a tennis ball'. Reverse all words of length '2' in the given sentence.

Output: a woman about ot serve a tennis ball


Input: Consider Input: Sentence: 'a living room with a large television and entertainment center'. Reverse all words of length '6' in the given sentence.


Output: a gnivil room with a large television and entertainment retnec