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 girl is holding a trophy and a tennis racket'. Reverse all words of length '4' in the given sentence.

Output: a lrig is holding a trophy and a tennis racket


Input: Consider Input: Sentence: 'a cat is sitting near an orange wall and orange planter'. Reverse all words of length '7' in the given sentence.

Output: a cat is gnittis near an orange wall and orange retnalp


Input: Consider Input: Sentence: 'a group of people leading cows down a road'. Reverse all words of length '4' in the given sentence.


Output: a group of people leading swoc nwod a daor