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 woman about to serve a tennis ball'. Reverse all words of length '2' in the given sentence.

A: a woman about ot serve a tennis ball
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Q: Sentence: 'a young man is sitting on the side of a bus eating a hot dog'. Reverse all words of length '3' in the given sentence.

A: a young nam is sitting on eht side of a sub eating a toh god
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Q: Sentence: 'a man standing next to a woman at an airport'. Reverse all words of length '5' in the given sentence.

A:
a man standing next to a namow at an airport
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