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.

Ex Input:
Sentence: 'a bird sits atop a post near a boat dock with large boats in the background'. Reverse all words of length '1' in the given sentence.

Ex Output:
a bird sits atop a post near a boat dock with large boats in the background


Ex Input:
Sentence: 'a blue colored sign with a white arrow'. Reverse all words of length '1' in the given sentence.

Ex Output:
a blue colored sign with a white arrow


Ex Input:
Sentence: 'a paddle surfer poking at another surfer with his paddle  while riding a wave'. Reverse all words of length '6' in the given sentence.

Ex Output:

a elddap refrus gnikop at another refrus with his elddap while gnidir a wave