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 person on a surfboard riding a wave in the water'. Reverse all words of length '5' in the given sentence.

Answer: a person on a surfboard riding a wave in the retaw


Question: Sentence: 'an elderly man in a jacket is walking outside of a window'. Reverse all words of length '3' in the given sentence.

Answer: an elderly nam in a jacket is walking outside of a window


Question: Sentence: 'a person is swinging from a traffic light pole'. Reverse all words of length '7' in the given sentence.

Answer:
a person is swinging from a ciffart light pole