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 dog sitting in the passenger seat of a vehicle'. Reverse all words of length '9' in the given sentence.

A: a dog sitting in the regnessap seat of a vehicle
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Q: Sentence: 'a red handkerchief lays flat on a bed'. Reverse all words of length '2' in the given sentence.

A:
a red handkerchief lays flat no a bed
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