<http://schema.org/mainEntityOfPage>
<http://www.rollingstone.com/music/news/lauryn-hill-defends-nicki-minajs-summer-jam-no-show-20120604>
<http://www.rollingstone.com/music/news/lauryn-hill-defends-nicki-minajs-summer-jam-no-show-20120604?cnn=yes>