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: '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: 'there is a group of people standing on the beach'. Reverse all words of length '8' in the given sentence.

Answer: there is a group of people gnidnats on the beach


Question: Sentence: 'two people standing in a living room playing nintendo wii'. Reverse all words of length '2' in the given sentence.

Answer:
two people standing ni a living room playing nintendo wii