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: 'airplane flying in front of mountains and clouds'. Reverse all words of length '2' in the given sentence.

A: airplane flying ni front fo mountains and clouds
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Q: Sentence: 'a person in skis is standing in the snow'. Reverse all words of length '2' in the given sentence.

A: a person ni skis si standing ni the snow
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Q: Sentence: 'small blue and red bird standing on rear of zebra'. Reverse all words of length '8' in the given sentence.

A:
small blue and red bird gnidnats on rear of zebra
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