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.

Q: Sentence: 'looking down at skiers holding their skis on the ski slope'. Reverse all words of length '7' in the given sentence.

A: gnikool down at skiers gnidloh their skis on the ski slope
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Q: Sentence: 'pineapple and hot dog skewers are shown as appetizers'. Reverse all words of length '9' in the given sentence.

A: elppaenip and hot dog skewers are shown as appetizers
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Q: Sentence: 'a man that is in the air with a skateboard'. Reverse all words of length '1' in the given sentence.

A:
a man that is in the air with a skateboard
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