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.
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Question: Sentence: 'a bunch of umbrellas are up in the air'. Reverse all words of length '9' in the given sentence.

Answer: a bunch of sallerbmu are up in the air


Question: Sentence: 'a large long train on a steel track'. Reverse all words of length '2' in the given sentence.

Answer: a large long train no a steel track


Question: Sentence: 'white cat sitting at the top of a black computer chair'. Reverse all words of length '8' in the given sentence.

Answer:
white cat sitting at the top of a black retupmoc chair