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 Q]: Sentence: 'four cute little ducklings swimming in the water'. Reverse all words of length '6' in the given sentence.
[EX A]: four cute elttil ducklings swimming in the water

[EX Q]: Sentence: 'two small children and childrens books on a blue carpeted floor'. Reverse all words of length '1' in the given sentence.
[EX A]: two small children and childrens books on a blue carpeted floor

[EX Q]: Sentence: 'a man standing in the snow on skis and holding ski poles with trees behind him'. Reverse all words of length '2' in the given sentence.
[EX A]:
a man standing ni the snow no skis and holding ski poles with trees behind him