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 women sitting on a bench with a dog'. Reverse all words of length '4' in the given sentence.

A: a couple of women sitting on a bench htiw a dog
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Q: Sentence: 'black and silver fire hydrant sitting next to a road'. Reverse all words of length '7' in the given sentence.

A: black and silver fire tnardyh gnittis next to a road
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Q: Sentence: 'a group of motorcycle riders one with a side car'. Reverse all words of length '6' in the given sentence.

A:
a group of motorcycle sredir one with a side car
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