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 baseball pitcher pitching a ball during a game'. Reverse all words of length '8' in the given sentence.

A: a llabesab pitcher gnihctip a ball during a game
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Q: Sentence: 'the tour buses are driving away from the building'. Reverse all words of length '5' in the given sentence.

A: the tour sesub are driving away from the building
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Q: Sentence: 'a pair of black sheep in a small pen'. Reverse all words of length '3' in the given sentence.

A:
a pair of black sheep in a small nep
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