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.
--------
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 train billowing smoke as it crosses a river by bridge'. Reverse all words of length '1' in the given sentence.

Answer: a train billowing smoke as it crosses a river by bridge


Question: Sentence: 'the yellow motorcycle is carrying only one rider'. Reverse all words of length '5' in the given sentence.

Answer:
the yellow motorcycle is carrying only one redir