<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fed1834e851-ck-bill-murray-orion-pictures-warner-brothers-orig-master-1.jpg>
<http://www.goodhousekeeping.com/health/wellness/advice/a19816/sign-over-winter/>