<http://schema.org/mainEntityOfPage>
<http://www.huffingtonpost.com/2013/04/05/exxon-safety-medal-oil-spill_n_3021132.html>
<http://m.huffpost.com/us/entry/exxon-safety-medal-oil-spill_n_3021132.html?ir=Green&section=us_green&m=true>