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 water bottle sitting on top of a counter'. Reverse all words of length '6' in the given sentence.

A: a water elttob sitting on top of a counter
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Q: Sentence: 'a cat has is sticking its head in the toilet'. Reverse all words of length '8' in the given sentence.

A: a cat has is gnikcits its head in the toilet
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Q: Sentence: 'a bike on the back of a bus on the road'. Reverse all words of length '4' in the given sentence.

A:
a ekib on the kcab of a bus on the daor
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