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 group of people sitting on a wooden bench'. Reverse all words of length '1' in the given sentence.

A: a group of people sitting on a wooden bench
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Q: Sentence: 'woman holding an umbrella and a small cat'. Reverse all words of length '7' in the given sentence.

A: woman gnidloh an umbrella and a small cat
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Q: Sentence: 'an old suitcase on the sidewalk next to the road'. Reverse all words of length '4' in the given sentence.

A:
an old suitcase on the sidewalk txen to the daor
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