Volleyball is the only option among the given choices that is considered a traditional sport. Surfing, rock climbing, and snowboarding are all classified as non-traditional sports. Thus, the answer to the question is volleyball. ;
The option that is not considered a non-traditional sport is volleyball, as it is a widely recognized team sport with a formal structure. The other options—surfing, rock climbing, and snowboarding—are classified as non-traditional sports. Therefore, the chosen answer is volleyball.
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