<http://schema.org/mainEntityOfPage>
<http://www.roadandtrack.com/car-shows/detroit-auto-show/news/g5375/photos-2012-audi-a6-a6-hybrid/True>
<http://www.roadandtrack.com/car-shows/detroit-auto-show/news/g5375/photos-2012-audi-a6-a6-hybrid/>