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 sandwich that is on a plate on a table'. Reverse all words of length '8' in the given sentence.

A: a hciwdnas that is on a plate on a table
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Q: Sentence: 'a man and woman standing with luggage in a waiting area'. Reverse all words of length '7' in the given sentence.

A: a man and woman standing with egaggul in a gnitiaw area
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Q: Sentence: 'a couple of people standing in front of a tv'. Reverse all words of length '6' in the given sentence.

A:
a elpuoc of elpoep standing in front of a tv
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