anchor.diff:  http://www.number10.gov.uk/news/cameron-and-obama-discusses-key-role-of-nato-in-libya,https://www.gov.uk/government/news/cameron-and-obama-discuss-key-role-of-nato-in-libya--2,301
   http://www.number10.gov.uk/news/cameron-calls-for-restraint-on-all-sides-in-bahrain,https://www.gov.uk/government/news/cameron-calls-for-restraint-on-all-sides-in-bahrain,301
   http://www.number10.gov.uk/news/cameron-hollande-syria,https://www.gov.uk/government/news/prime-ministers-call-with-president-hollande-regarding-syria,301
  +http://www.number10.gov.uk/news/cameron-in-usa-visit,,410
   http://www.number10.gov.uk/news/cameron-nissan-jobs,https://www.gov.uk/government/news/cameron-welcomes-nissan-jobs,301
   http://www.number10.gov.uk/news/cameron-statement-algeria,https://www.gov.uk/government/speeches/prime-ministers-statement-on-the-hostage-situation-in-algeria,301
   http://www.number10.gov.uk/news/canon-residentiary-and-precentor-in-the-cathedral-church-of-st-paul,https://www.gov.uk/government/news/canon-residentiary-and-precentor-in-the-cathedral-church-of-st-paul,301
  
positive.code: http://www.number10.gov.uk/news/supply-chain-finance-scheme,https://www.gov.uk/government/news/prime-minister-announces-supply-chain-finance-scheme,301
  http://www.number10.gov.uk/news/supreme-court-appointments,https://www.gov.uk/government/news/supreme-court-appointments,301
  http://www.number10.gov.uk/news/sweet-project-wins-prime-minister%e2%80%99s-big-society-award,https://www.gov.uk/government/news/sweet-project-wins-prime-minister-s-big-society-award,301
  http://www.number10.gov.uk/news/tackle-football-discrimination,https://www.gov.uk/government/news/government-and-football-bodies-unite-to-tackle-discrimination--2,301
  http://www.number10.gov.uk/news/tackling-discrimination,https://www.gov.uk/government/news/prime-ministers-article-on-tackling-discrimination-in-football,301
  http://www.number10.gov.uk/news/tackling-the-deficit,https://www.gov.uk/government/news/tackling-the-deficit,301
  
negative.code: http://www.number10.gov.uk/news/libya-safety-of-british-nationals-top-priority,https://www.gov.uk/government/news/libya-safety-of-british-nationals-top-priority,301
  http://www.number10.gov.uk/news/libya-servicemen-and-women,https://www.gov.uk/government/speeches/pms-speech-to-service-personnel-returning-from-libya,301
  http://www.number10.gov.uk/news/libya-time-for-action-has-come,https://www.gov.uk/government/news/libya-time-for-action-has-come,301
  http://www.number10.gov.uk/news/lifeline-community-projects-wins-big-society-award,,410
  http://www.number10.gov.uk/news/linklaters-learn-for-work-programme-in-hackney-is-the-latest-big-society-award-winner,https://www.gov.uk/government/news/linklaters-learn-for-work-programme-in-hackney-is-the-latest-big-society-award-winner,301
  http://www.number10.gov.uk/news/live-from-nyu,https://www.gov.uk/government/news/watch-prime-ministers-q-a,301
  http://www.number10.gov.uk/news/live-updates-from-budget-2011,https://www.gov.uk/government/news/updates-from-budget-2011,301
  