anchor.diff:  http://www.defra.gov.uk/publications/files/walker-review-foreword-welsh.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69460/walker-review-foreword-welsh.pdf,301
   http://www.defra.gov.uk/publications/files/water-for-life-market-proposals.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69480/water-for-life-market-proposals.pdf,301
   http://www.defra.gov.uk/publications/files/wildlife-countryside-act.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69205/wildlife-countryside-act.pdf,301
  -http://www.defra.gov.uk/publications/files/workforce-monitoring2012.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/181822/workforce-monitoring2012.pdf.pdf,301
  +http://www.defra.gov.uk/publications/files/workforce-monitoring2012.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69504/workforce-monitoring2012.pdf,301
   http://www.defra.gov.uk/publications/files/zoo-licensing-act-guide.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69595/zoo-licensing-act-guide.pdf,301
   http://www.defra.gov.uk/review-ea-ne,https://www.gov.uk/government/consultations/triennial-review-of-the-environment-agency-and-natural-england,301
   http://www.defra.gov.uk/review-ea-ne/2012/120723-workshop,https://www.gov.uk/government/consultations/triennial-review-of-the-environment-agency-and-natural-england,301
  
positive.code: http://www.defra.gov.uk/publications/files/pb13586-animal-welfare-carrier-advice-110617.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69355/pb13586-animal-welfare-carrier-advice-110617.pdf,301
  http://www.defra.gov.uk/publications/files/pb13598-graham-bryce-independent-review-marine-sacs-110713.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69445/pb13598-graham-bryce-independent-review-marine-sacs-110713.pdf,301
  http://www.defra.gov.uk/publications/files/pb13599-ihpr-independent-review-marine-sacs-110713.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69224/pb13599-ihpr-independent-review-marine-sacs-110713.pdf,301
  http://www.defra.gov.uk/publications/files/pb13600-animal-products-welsh.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/166211/pb13600-animal-products-welsh.pdf.pdf,301
  http://www.defra.gov.uk/publications/files/pb13600-animal-products.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/166210/pb13600-animal-products.pdf.pdf,301
  http://www.defra.gov.uk/publications/files/pb13601-bovinetb-eradication-programme-110719.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69443/pb13601-bovinetb-eradication-programme-110719.pdf,301
  http://www.defra.gov.uk/publications/files/pb13613-sheep-eid-rules-091201.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69431/pb13613-sheep-eid-rules-091201.pdf,301
  http://www.defra.gov.uk/publications/files/pb13614-sheep-goat-movement-reporting-101208.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69432/pb13614-sheep-goat-movement-reporting-101208.pdf,301
  
negative.code: http://www.defra.gov.uk/forms/files/zoo3.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69680/zoo3.pdf,301
  http://www.defra.gov.uk/forms/files/zoo4.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69681/zoo4.pdf,301
  http://www.defra.gov.uk/habitats-review/files/20121219-aims-and-priorities-of-the-mieu.pdf,https://www.gov.uk/government/policy-advisory-groups/major-infrastructure-and-environment-unit,301
  http://www.defra.gov.uk/hsac,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/code-of-practice,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/code-of-practice/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/hsac-opinion-on-nanoscience,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/hsac-opinion-on-nanoscience/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/meeting-120904,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/meeting-120904/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/meeting-121220,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/meeting-121220/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/meeting-4-sept-2012,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/membership,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/membership/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/opinion-on-kortenkamp,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/opinion-on-kortenkamp/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/position-animals-chemical-testing,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/position-animals-chemical-testing/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/terms-of-reference,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2012/terms-of-reference/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2013/meeting-130305,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/2013/meeting-130305/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/about,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/about/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/advisory-committee-on-hazardous-substances/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/category/meetings,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/category/meetings/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/category/publications,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/category/publications/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/contacts,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/contacts/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/1stmeetingminutes.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/2nd-hsac-agenda-and-papers.zip,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/3rd-hsac-agenda-and-papers.zip,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/agenda-papers-4-sept-meeting.zip,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/code-of-practice.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/comments-kortenkamp.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/cotcom2012.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/hsac-opinion-on-nanoscience.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/members.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/members1.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/presentations.zip,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/statement-use-of-animals-in-chemical-testing.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/files/terms-of-reference.pdf,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/meetings,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/meetings/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/publications,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/publications/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/achs,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/achs/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/animal,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/animal-testing,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/animal-testing/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/animal/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/code-of-practice,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/code-of-practice/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/hsac,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/hsac/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/kortenkamp,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/kortenkamp/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/membership,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/membership/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/nanoscience,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/nanoscience/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/terms-of-reference,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/hsac/tag/terms-of-reference/feed,https://www.gov.uk/government/policy-advisory-groups/hazardous-substances-advisory-committee,301
  http://www.defra.gov.uk/industrial-emissions/files/20072012-aea-report-caa.pdf,https://www.gov.uk/government/publications/the-future-of-the-clean-air-act,301
  http://www.defra.gov.uk/industrial-emissions/files/201203-cleanairact-scoping.pdf,https://www.gov.uk/government/publications/the-future-of-the-clean-air-act,301
  http://www.defra.gov.uk/mscc,https://www.gov.uk/government/policy-advisory-groups/marine-science-co-ordination-committee/,301
  