<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a11344a30b6_-_cos-01-sex-ed-class-middle-school-de.jpg>
<http://www.cosmopolitan.com/entertainment/news/a26515/california-middle-school-sex-ed-controversy/>