<http://schema.org/mainEntityOfPage>
<http://www.digitalspy.com/tv/the-big-bang-theory/news/a451420/big-bang-theory-leonard-penny-to-get-engaged/True>
<http://www.digitalspy.com/tv/the-big-bang-theory/news/a451420/big-bang-theory-leonard-penny-to-get-engaged/>