<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffbc89a3a8e-gingerbreadhouse-30020-20copy.jpg>
<http://www.goodhousekeeping.com/institute/a23051/secrets-for-making-a-gingerbread-house/>