<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://sev.h-cdn.co/assets/cm/15/09/160x245/54ecf84bbf26b_-_sev-cc-prom-3-comfy-shoes-v-8794639.jpg>
<http://www.seventeen.com/prom/tips/g744/prom-dos-and-donts/>