Think about the article. How are jolleyball players and juggling triathlon racers alike?

They both have to swim the backstroke while juggling.
They both have to juggle three balls while they play.
They both have to pass a ball over to a teammate.
They both have to ride unicycles while they play.

Based on the statement, "Think about the article," it is presumed that there is an article or context provided for the question. However, the information given in the question does not provide any reference or content from the article. Therefore, it is impossible to determine how volleyball players and juggling triathlon racers are alike based on the given information.