anchor.diff:  http://www.defra.gov.uk/environment/climate/sectors/business,https://www.gov.uk/climate-change-adaptation-information-for-infrastructure-companies,301
   http://www.defra.gov.uk/environment/climate/sectors/communities,https://www.gov.uk/climate-change-information-for-communities-and-civil-society,301
   http://www.defra.gov.uk/environment/climate/sectors/infrastructure-companies,https://www.gov.uk/climate-change-adaptation-information-for-infrastructure-companies,301
  -http://www.defra.gov.uk/environment/climate/sectors/local-authorities,https://www.gov.uk/climate-change-adaptation-information-for-local-authorities,301
  +http://www.defra.gov.uk/environment/climate/sectors/local-authorities,https://www.gov.uk/climate-change-adaptation-information-for-local-authorities,418
   http://www.defra.gov.uk/environment/climate/sectors/reporting-authorities,https://www.gov.uk/climate-change-adaptation-information-for-infrastructure-companies,301
   http://www.defra.gov.uk/environment/economy/business-efficiency,https://www.gov.uk/sustainable-processes-and-resource-efficiency-guidance-for-businesses,301
   http://www.defra.gov.uk/environment/economy/business-efficiency/reporting,https://www.gov.uk/measuring-and-reporting-environmental-impacts-guidance-for-businesses,301
  
positive.code: http://www.defra.gov.uk/publications/2012/12/20/pb13862-frtf-update-122012,https://www.gov.uk/government/publications/farming-regulation-task-force-implementation-update-december-2012,418
  http://www.defra.gov.uk/publications/2012/12/20/pb13863-digital-strategy-2012,https://www.gov.uk/government/publications/defra-digital-strategy-2012,418
  http://www.defra.gov.uk/publications/2012/12/31/pb13851-zoonoses-report-2011,https://www.gov.uk/government/publications/zoonoses-report-uk-2011,418
  http://www.defra.gov.uk/publications/2013/01/15/pb13867-towards-sustainable-growing-media,https://www.gov.uk/government/publications/towards-sustainable-growing-media,301
  http://www.defra.gov.uk/publications/2013/01/17/pb13834-sustainable-growing-media,https://www.gov.uk/government/publications/government-response-to-the-sustainable-growing-media-task-force,301
  http://www.defra.gov.uk/publications/2013/01/21/pb13850-smallholdings-report-0121,https://www.gov.uk/government/publications/sixty-first-annual-report-to-parliament-on-smallholdings-in-england,301
  http://www.defra.gov.uk/publications/2013/01/24/pb13870-fishing-focus,https://www.gov.uk/government/publications/fishing-focus-issue-28-winter-2012-2013,301
  http://www.defra.gov.uk/publications/2013/01/31/pb13821-stats-digest-rural-england,https://www.gov.uk/government/publications/statistical-digest-of-rural-england-2013-january-2013,301
  http://www.defra.gov.uk/publications/2013/01/31/pb13871-forestry-policy-statement,https://www.gov.uk/government/publications/government-forestry-policy-statement,301
  http://www.defra.gov.uk/publications/2013/01/31/pb13872-fishing-focus,https://www.gov.uk/government/publications/fishing-focus-issue-27-autumn-2012,301
  http://www.defra.gov.uk/publications/2013/01/31/pb13873-fishing-focus,https://www.gov.uk/government/publications/fishing-focus-issue-25-spring-2012,301
  http://www.defra.gov.uk/publications/2013/01/31/pb13874-fishing-focus,https://www.gov.uk/government/publications/fishing-focus-issue-26-summer-2012,301
  http://www.defra.gov.uk/publications/2013/01/31/workforce-monitoring-2012,https://www.gov.uk/government/publications/workforce-monitoring-report-2012,301
  http://www.defra.gov.uk/publications/2013/02/01/pb13875-qap-recycling,https://www.gov.uk/government/publications/quality-action-plan-england-only,301
  http://www.defra.gov.uk/publications/2013/02/08/pb13864-alidma-eid-response,https://www.gov.uk/government/publications/defra-s-response-to-electronic-identification-eid-tag-reading-study,301
  http://www.defra.gov.uk/publications/2013/02/21/pb13883-forecasting-2020-waste-arisings,https://www.gov.uk/government/publications/forecasting-2020-waste-arisings-and-treatment-capacity,301
  http://www.defra.gov.uk/publications/2013/02/26/pb13894-nap-pesticides,https://www.gov.uk/government/publications/pesticides-uk-national-action-plan,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13881-frtf-one-year-on-assessment,https://www.gov.uk/government/publications/farming-regulation-task-force-implementation-group-one-year-on-assessment,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13882-gov-response-one-year-on-assessment,https://www.gov.uk/government/publications/one-year-on-assessment-government-response,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13887-advanced-biological-treatment-waste,https://www.gov.uk/government/publications/advanced-biological-treatment-of-municipal-solid-waste,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13888-advanced-thermal-treatment-waste,https://www.gov.uk/government/publications/advanced-thermal-treatment-of-municipal-solid-waste,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13889-incineration-municipal-waste,https://www.gov.uk/government/publications/incineration-of-municipal-solid-waste,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13890-treatment-solid-waste,https://www.gov.uk/government/publications/mechanical-biological-treatment-of-municipal-solid-waste,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13891-mechanical-heat-treatment-waste,https://www.gov.uk/government/publications/mechanical-heat-treatment-of-municipal-solid-waste,301
  http://www.defra.gov.uk/publications/2013/02/27/pb13892-energy-from-waste,https://www.gov.uk/government/publications/energy-from-waste-a-guide-to-the-debate,301
  http://www.defra.gov.uk/publications/2013/02/28/pb13822-stats-digest-rural-england,https://www.gov.uk/government/publications/statistical-digest-of-rural-england-2013-february-2013,301
  http://www.defra.gov.uk/publications/2013/03/04/pb13896-assessing-mcz,https://www.gov.uk/government/publications/steps-for-assessing-marine-conservation-zone-proposals,301
  http://www.defra.gov.uk/publications/2013/03/07/pb13884-sps-seg-ofwat,https://www.gov.uk/government/publications/strategic-policy-statement-to-ofwat-incorporating-social-and-environmental-guidance,301
  http://www.defra.gov.uk/publications/2013/03/07/pb13897-ep-core-guidance,https://www.gov.uk/government/publications/environmental-permitting-guidance-core-guidance--2,301
  http://www.defra.gov.uk/publications/2013/03/07/pb13898-epr-guidance-part-a-installations,https://www.gov.uk/government/publications/industrial-emissions-directive-epr-guidance-on-part-a-installations,301
  http://www.defra.gov.uk/publications/2013/03/19/pb13934-marine-sci-yearbook,https://www.gov.uk/government/publications/marine-science-yearbook-2011-12,301
  http://www.defra.gov.uk/publications/2013/03/26/evidence-plans,https://www.gov.uk/government/publications/evidence-plans,301
  http://www.defra.gov.uk/publications/2013/03/26/pb13936-chalara-management-plan,https://www.gov.uk/government/publications/chalara-management-plan,301
  http://www.defra.gov.uk/publications/2013/03/27/pb13900-review-advice-incentives-partnership,https://www.gov.uk/government/publications/review-of-environmental-advice-incentives-and-partnership-approaches-for-the-farming-sector-in-england,301
  http://www.defra.gov.uk/publications/2013/03/27/pb13937-neonicotinoids-bees,https://www.gov.uk/government/publications/an-assessment-of-key-evidence-about-neonicotinoids-and-bees,301
  http://www.defra.gov.uk/publications/2013/04/01/pb10243-fastfood-litter,https://www.gov.uk/government/publications/reducing-litter-caused-by-food-on-the-go-a-voluntary-code-of-practice-for-local-partnerships,301
  http://www.defra.gov.uk/publications/2013/04/01/pb10970-drug-litter,https://www.gov.uk/government/publications/tackling-drug-related-litter-guidance-and-good-practice,301
  http://www.defra.gov.uk/publications/2013/04/01/pb10971-street-cleansing,https://www.gov.uk/government/publications/achieving-improvements-in-street-cleansing-and-related-services,301
  http://www.defra.gov.uk/publications/2013/04/01/pb10973-lead-paint,https://www.gov.uk/government/publications/advice-on-lead-paint-in-older-homes,301
  http://www.defra.gov.uk/publications/2013/04/01/pb11577b-cop-litter,https://www.gov.uk/government/publications/code-of-practice-on-litter-and-refuse,301
  http://www.defra.gov.uk/publications/2013/04/01/pb11577g-dog-control-orders,https://www.gov.uk/government/publications/dog-control-orders,301
  http://www.defra.gov.uk/publications/2013/04/01/pb12637-air-quality-econ-analysis,https://www.gov.uk/government/publications/an-economic-analysis-to-inform-the-air-quality-strategy,301
  http://www.defra.gov.uk/publications/2013/04/01/pb12852-valuing-ecosystem-services,https://www.gov.uk/government/publications/an-introductory-guide-to-valuing-ecosystem-services--2,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13387-national-parks-circular-2010,https://www.gov.uk/government/publications/english-national-parks-and-the-broads-uk-government-vision-and-circular-2010,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13430-flood-framework,https://www.gov.uk/government/publications/national-flood-emergency-framework-for-england,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13456-uplands-policy-review,https://www.gov.uk/government/publications/uplands-policy-review,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13894-barking-guide,https://www.gov.uk/government/publications/constant-barking-can-be-avoided-guidance-to-dog-owners,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13895-environmental-damage-regs,https://www.gov.uk/government/publications/environmental-damage-prevention-and-remediation-regulations-2009-guidance-for-england-and-wales,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13896-flood-partnership-funding,https://www.gov.uk/government/publications/flood-and-coastal-resilience-partnership-funding,301
  http://www.defra.gov.uk/publications/2013/04/01/pb13897-nature-you,https://www.gov.uk/government/publications/what-nature-can-do-for-you,301
  http://www.defra.gov.uk/publications/files/2012-01-31-pb13705-pitt-review-progress.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69489/2012-01-31-pb13705-pitt-review-progress.pdf,301
  http://www.defra.gov.uk/publications/files/201209-rural-stats-digest.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69599/201209-rural-stats-digest.pdf,301
  http://www.defra.gov.uk/publications/files/acp-report2010-11.pdf,https://www.gov.uk/government/uploads/system/uploads/attachment_data/file/69398/acp-report2010-11.pdf,301
  
negative.code: http://www.defra.gov.uk/food-farm/byproducts,https://www.gov.uk/animal-by-products,301
  http://www.defra.gov.uk/food-farm/farm-manage/wages/wla,https://www.gov.uk/womens-land-army,301
  http://www.defra.gov.uk/food-farm/food/labelling,https://www.gov.uk/food-labelling,418
  http://www.defra.gov.uk/food-farm/food/personal-imports,https://www.gov.uk/personal-food-plant-and-animal-product-imports,418
  http://www.defra.gov.uk/food-farm/food/personal-imports/rules,https://www.gov.uk/personal-food-plant-and-animal-product-imports,418
  http://www.defra.gov.uk/food-farm/food/personal-imports/rules/bushmeat-faqs,https://www.gov.uk/personal-food-plant-and-animal-product-imports,418
  http://www.defra.gov.uk/food-farm/food/personal-imports/rules/import-controls-faqs,https://www.gov.uk/personal-food-plant-and-animal-product-imports,418
  http://www.defra.gov.uk/food-farm/food/personal-imports/rules/imports-exports-faqs,https://www.gov.uk/personal-food-plant-and-animal-product-imports,418
  http://www.defra.gov.uk/food-farm/food/protected-names,https://www.gov.uk/protected-food-names-guidance-for-producers,301
  http://www.defra.gov.uk/food-farm/food/protected-names/protected-names-applications,https://www.gov.uk/protected-food-names-guidance-for-producers,301
  http://www.defra.gov.uk/food-farm/food/protected-names/scheme-application-procedure,https://www.gov.uk/protected-food-names-guidance-for-producers,301
  http://www.defra.gov.uk/food-farm/food/protected-names/scheme-application-procedure/scheme-contacts,https://www.gov.uk/protected-food-names-guidance-for-producers,301
  http://www.defra.gov.uk/food-farm/food/protected-names/uk-registered-names,https://www.gov.uk/protected-food-names-guidance-for-producers,301
  http://www.defra.gov.uk/food-farm/food/standards,https://www.gov.uk/food-standards-labelling-and-composition,301
  http://www.defra.gov.uk/food-farm/food/standards/authenticity,https://www.gov.uk/food-standards-labelling-and-composition,301
  http://www.defra.gov.uk/food-farm/food/standards/global-food-standards-codex,https://www.gov.uk/food-standards-labelling-and-composition,301
  