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: 'there are two men sitting on a park bench'. Reverse all words of length '5' in the given sentence.

A: ereht are two men sitting on a park hcneb
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Q: Sentence: 'a football game on a grassy playing field'. Reverse all words of length '2' in the given sentence.

A: a football game no a grassy playing field
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Q: Sentence: 'two couples sitting on a bench ladies holding bags'. Reverse all words of length '5' in the given sentence.

A:
two couples sitting on a hcneb ladies holding bags
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