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.
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Question: Sentence: 'competitor preparing to return volley during major tennis tournament'. Reverse all words of length '6' in the given sentence.

Answer: competitor preparing to nruter yellov gnirud major sinnet tournament


Question: Sentence: 'a couple of men on a court holding tennis rackets'. Reverse all words of length '2' in the given sentence.

Answer: a couple fo men no a court holding tennis rackets


Question: Sentence: 'a birthday cake cut in different pieces sitting on a tray at a table'. Reverse all words of length '1' in the given sentence.

Answer:
a birthday cake cut in different pieces sitting on a tray at a table