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 vase with purple sand and flowers inside'. Reverse all words of length '4' in the given sentence.

A: a esav htiw purple dnas and flowers inside
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Q: Sentence: 'a man leans down to take a bite from his sandwich'. Reverse all words of length '5' in the given sentence.

A: a man snael down to take a bite from his sandwich
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Q: Sentence: 'there is a  firetruck in front of the building'. Reverse all words of length '9' in the given sentence.

A:
there is a kcurterif in front of the building
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