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: 'a group of sheep graze in a grassy field'. Reverse all words of length '2' in the given sentence.

Answer: a group fo sheep graze ni a grassy field


Question: Sentence: 'two men are playing a wii boxing game'. Reverse all words of length '4' in the given sentence.

Answer: two men are playing a wii boxing emag


Question: Sentence: 'a man that had a racquet that is standing on a tennis court'. Reverse all words of length '4' in the given sentence.

Answer:
a man taht had a racquet taht is standing on a tennis court