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: 'a person in a rowboat under an umbrella'. Reverse all words of length '5' in the given sentence.

A: a person in a rowboat rednu an umbrella
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Q: Sentence: 'a person that has their skis crossed in the air as they snow ski'. Reverse all words of length '4' in the given sentence.

A: a person taht has their siks crossed in the air as yeht wons ski
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Q: Sentence: 'three brown horses standing in a green field'. Reverse all words of length '5' in the given sentence.

A:
eerht nworb horses standing in a neerg dleif
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