<http://schema.org/mainEntityOfPage>
<http://online.wsj.com/articles/ivanovic-struggles-to-find-rhythm-in-loss-to-pliskova-1409252753>
<http://www.wsj.com/articles/ivanovic-struggles-to-find-rhythm-in-loss-to-pliskova-1409252753?mod=_newsreel_2>