anchor.diff:  http://www.number10.gov.uk/news/death-of-usama-bin-laden,https://www.gov.uk/government/news/death-of-usama-bin-laden,301
   http://www.number10.gov.uk/news/december-srp-progress-reports-published,https://www.gov.uk/government/news/december-srp-progress-reports-published,301
   http://www.number10.gov.uk/news/december-structural-reform-plan-progress-reports-published,https://www.gov.uk/government/news/december-structural-reform-plan-progress-reports-published,301
  +http://www.number10.gov.uk/news/declaration-on-energy,https://www.gov.uk/government/news/uk-france-declaration-on-energy,301
   http://www.number10.gov.uk/news/dementia-challenge,https://www.gov.uk/government/news/dementia-challenge-launched,301
   http://www.number10.gov.uk/news/dementia-diagnosis,https://www.gov.uk/government/news/variations-in-dementia-diagnosis-revealed,301
   http://www.number10.gov.uk/news/dementia-friends,https://www.gov.uk/government/news/could-you-be-a-dementia-friend,301
  
positive.code: http://www.number10.gov.uk/news/arctic-convoy-bomber-command-veterans-honoured,https://www.gov.uk/government/news/arctic-convoy-and-bomber-command-veterans-to-be-honoured,301
  http://www.number10.gov.uk/news/armed-forces-community-covenant-scheme-launched,https://www.gov.uk/government/news/armed-forces-community-covenant-scheme-launched--2,301
  http://www.number10.gov.uk/news/article-for-the-yorkshire-post,https://www.gov.uk/government/news/article-for-the-yorkshire-post,301
  http://www.number10.gov.uk/news/asda-create-5000-new-jobs,https://www.gov.uk/government/news/asda-creates-5-000-new-jobs,301
  http://www.number10.gov.uk/news/august-srp-progress-reports-published,https://www.gov.uk/government/news/august-srp-progress-reports-published,301
  http://www.number10.gov.uk/news/august-structural-reform-plan-progress-reports-published,https://www.gov.uk/government/news/august-structural-reform-plan-progress-reports-published,301
  
negative.code: http://www.number10.gov.uk/news/pm-backs-turkeys-eu-bid,https://www.gov.uk/government/news/pm-backs-turkeys-eu-bid,301
  http://www.number10.gov.uk/news/pm-begins-africa-trade-mission,https://www.gov.uk/government/news/pm-begins-africa-trade-mission,301
  http://www.number10.gov.uk/news/pm-blogs-about-national-apprenticeship-week-2012,https://www.gov.uk/government/news/pm-blogs-about-national-apprenticeship-week-2012,301
  http://www.number10.gov.uk/news/pm-call-to-chancellor-merkel,https://www.gov.uk/government/news/pm-call-to-president-sarkozy,301
  http://www.number10.gov.uk/news/pm-call-with-chancellor-merkel,https://www.gov.uk/government/news/pm-call-with-chancellor-merkel,301
  http://www.number10.gov.uk/news/pm-calls-for-egypt-reform,https://www.gov.uk/government/news/pm-calls-for-egypt-reform,301
  http://www.number10.gov.uk/news/pm-calls-for-shared-national-identity,https://www.gov.uk/government/news/pm-calls-for-shared-national-identity,301
  http://www.number10.gov.uk/news/pm-calls-for-two-inquries-into-hacking-allegations,https://www.gov.uk/government/news/pm-calls-for-two-inquiries-into-hacking-allegations,301
  http://www.number10.gov.uk/news/pm-calls-on-diplomats-to-do-more-with-less,https://www.gov.uk/government/news/pm-calls-on-diplomats-to-do-more-with-less,301
  http://www.number10.gov.uk/news/pm-calls-to-prime-minister-rajoy-and-aung-san-suu-kyi,https://www.gov.uk/government/news/pm-calls-to-prime-minister-rajoy-and-aung-san-suu-kyi,301
  http://www.number10.gov.uk/news/pm-canadian-parliament-speech,https://www.gov.uk/government/speeches/pm-gives-speech-at-canadian-parliament,301
  http://www.number10.gov.uk/news/pm-cochairs-un-high-level-panel,https://www.gov.uk/government/news/pm-co-chairs-un-high-level-panel,301
  http://www.number10.gov.uk/news/pm-comments-on-baha-mousa-inquiry,https://www.gov.uk/government/news/pm-comments-on-baha-mousa-inquiry,301
  