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 couple of toothbrushes that are on a towel'. Reverse all words of length '6' in the given sentence.

A: a elpuoc of toothbrushes that are on a towel
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Q: Sentence: 'a room with a green rug and a daybed'. Reverse all words of length '1' in the given sentence.

A: a room with a green rug and a daybed
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Q: Sentence: 'three bicyclists are riding on the road with the cars'. Reverse all words of length '5' in the given sentence.

A:
eerht bicyclists are riding on the road with the cars
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