<http://schema.org/keywords>
"college football college footbal rankings college football preseason rankings college football top 25 college football preseason top 25 oklahoma football big 12 football oklahoma sooners Oklahoma football preseason rankings Oklahoma football team preview"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.si.com/college-football/2016/08/09/oklahoma-sooners-preseason-rankings-team-preview>