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 tennis player is holding a tennis racket with the crowd in the background'. Reverse all words of length '3' in the given sentence.

Output: a tennis player is holding a tennis racket with eht crowd in eht background


Input: Consider Input: Sentence: 'a man on a surfboard riding a wave in the ocean'. Reverse all words of length '6' in the given sentence.

Output: a man on a surfboard gnidir a wave in the ocean


Input: Consider Input: Sentence: 'a snowboarder descending a snowpacked slope on a wintry day'. Reverse all words of length '2' in the given sentence.


Output: a snowboarder descending a snowpacked slope no a wintry day