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.
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Question: Sentence: 'a man on skis is under an empty ski lift'. Reverse all words of length '1' in the given sentence.

Answer: a man on skis is under an empty ski lift


Question: Sentence: 'a road decorated for christmas and trees without leaves'. Reverse all words of length '1' in the given sentence.

Answer: a road decorated for christmas and trees without leaves


Question: Sentence: 'a man walking a brown horse down a race track'. Reverse all words of length '4' in the given sentence.

Answer:
a man walking a brown horse nwod a ecar track