<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Health_News/2012/02/28/Southerners-most-likely-to-be-fatigued/62231330439287/>
<http://www.upi.com/Health_News/2012/02/28/Southerners-most-likely-to-be-fatigued/UPI-62231330439287/>