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 young man is sitting on the side of a bus eating a hot dog'. Reverse all words of length '3' in the given sentence.

Answer: a young nam is sitting on eht side of a sub eating a toh god


Question: Sentence: 'the couple are smiling at each other as they sit on a bench'. Reverse all words of length '4' in the given sentence.

Answer: the couple are smiling at hcae other as yeht sit on a bench


Question: Sentence: 'a keyboard equipped with a gel wrist wrest'. Reverse all words of length '1' in the given sentence.

Answer:
a keyboard equipped with a gel wrist wrest