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: 'the city bus has a feature film ad on the side of it'. Reverse all words of length '4' in the given sentence.

A: the ytic bus has a feature mlif ad on the edis of it
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Q: Sentence: 'a vintage photo of a man riding an old motorcycle'. Reverse all words of length '7' in the given sentence.

A: a egatniv photo of a man riding an old motorcycle
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Q: Sentence: 'a brown duck swims in some brown water'. Reverse all words of length '1' in the given sentence.

A:
a brown duck swims in some brown water
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