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 large eared dog sitting on an office chair'. Reverse all words of length '3' in the given sentence.

Answer: a large eared god sitting on an office chair


Question: Sentence: 'adult riding breaking wave in open ocean on sunny day'. Reverse all words of length '4' in the given sentence.

Answer: adult riding breaking evaw in nepo ocean on sunny day


Question: Sentence: 'a girl holds a helmet while a man sits on a parked motorcycle with a sign in the background'. Reverse all words of length '4' in the given sentence.

Answer:
a lrig holds a helmet while a man stis on a parked motorcycle htiw a ngis in the background