<http://schema.org/mainEntityOfPage>
<http://www.grindtv.com/surf/wsa-prime-series-invitational-brings-man-on-man-format-to-amateur-surfing/>
<http://www.grindtv.com/surf/wsa-prime-series-invitational-brings-man-on-man-format-to-amateur-surfing/?pid=47605>