anchor.diff:  http://www.dfid.gov.uk/stories/case-studies/2010/positive-about-stopping-hiv-suffering,https://www.gov.uk/government/case-studies/positive-about-stopping-hiv-suffering,418
   http://www.dfid.gov.uk/stories/case-studies/2010/prevention-of-mother-to-child-transmission,https://www.gov.uk/government/case-studies/a-generation-free-of-hiv,418
   http://www.dfid.gov.uk/stories/case-studies/2010/rations-and-child-screening-make-for-healthier-picture-in-eritrea,https://www.gov.uk/government/case-studies/rations-and-child-screening-make-for-healthier-picture-in-eritrea,418
  -http://www.dfid.gov.uk/stories/case-studies/2010/rebuilding-malawi-after-the-earthquake,https://www.gov.uk/government/case-studies/malawi-building-back-better-and-safer,418
  +http://www.dfid.gov.uk/stories/case-studies/2010/rebuilding-malawi-after-the-earthquake,https://www.gov.uk/government/case-studies/rebuilding-malawi-after-the-earthquake,301
   http://www.dfid.gov.uk/stories/case-studies/2010/river-of-hope-adapting-to-a-changing-climate-in-mozambique,https://www.gov.uk/government/case-studies/river-of-hope-adapting-to-a-changing-climate-in-mozambique,418
   http://www.dfid.gov.uk/stories/case-studies/2010/rural-roads-boost-ethnic-minority-livelihoods-in-vietnam-,https://www.gov.uk/government/case-studies/rural-roads-boost-ethnic-minority-livelihoods-in-vietnam,418
   http://www.dfid.gov.uk/stories/case-studies/2010/saving-lives-restoring-hope-in-haiti,https://www.gov.uk/government/case-studies/saving-lives-restoring-hope-in-haiti,418
  
positive.code: http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/farmers-in-tanzania-paint-chickens-,https://www.gov.uk/government/case-studies/dfid-research-farmers-in-tanzania-paint-chickens-pink-and-purple-to-thwart-hawks,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/fodder-trees-for-more-milk-and-income,https://www.gov.uk/government/case-studies/dfid-research-fodder-trees-for-more-milk-and-income,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/getting-children-into-school-and-breaking-the-cycle-of-disadvantage,https://www.gov.uk/government/case-studies/dfid-research-getting-children-into-school-and-breaking-the-cycle-of-disadvantage,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/health-concerns-of-married-men,https://www.gov.uk/government/case-studies/dfid-research-sexual-and-reproductive-health-concerns-of-married-men-and-their-access-to-health-service-providers-in-a-rural-area-of-bangladesh,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/hiv-care-in-kenya,https://www.gov.uk/government/case-studies/dfid-research-missed-opportunities,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/improving-food-security-,https://www.gov.uk/government/case-studies/dfid-research-improving-food-security-in-sub-saharan-africa-through-increased-utilization-of-indigenous-vegetables-studies-on-seed-production-and-agronomy-of-major-african-vegetables,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/indonesias-pulp-and-paper-sector,https://www.gov.uk/government/case-studies/dfid-research-the-impact-of-research-on-indonesia-s-pulp-and-paper-sector,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/linking-farmers-and-science,https://www.gov.uk/government/case-studies/dfid-research-linking-farmers-and-science,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/liquid-assets,https://www.gov.uk/government/case-studies/dfid-research-liquid-assets-community-based-fisheries-management-in-bangladesh,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/living-with-art,https://www.gov.uk/government/case-studies/dfid-research-living-with-art,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/making-a-gift-selection,https://www.gov.uk/government/case-studies/dfid-research-making-a-gift-selection-improved-tilapia-in-the-philippines,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/malaria-control,https://www.gov.uk/government/case-studies/dfid-research-malaria-control-in-a-complex-context-analysis-and-dissemination-of-policy-relevant-evidence,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/maria-da-penha-law,https://www.gov.uk/government/case-studies/dfid-research-observe-monitoring-the-application-of-the-maria-da-penha-law,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/milking-the-benefits,https://www.gov.uk/government/case-studies/dfid-research-policy-change-milking-the-benefits-for-smallscale-vendors,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/mint-in-afghanistan,https://www.gov.uk/government/case-studies/dfid-research-growing-for-a-clear-conscience-mint-in-afghanistan,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/planting-without-ploughing,https://www.gov.uk/government/case-studies/dfid-research-planting-without-ploughing-zero-till-wheat-takes-root,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/preventing-avian-flu-in-viet-nam,https://www.gov.uk/government/case-studies/dfid-research-a-farmer-friendly-approach-to-preventing-avian-flu-in-viet-nam,418
  http://www.dfid.gov.uk/what-we-do/research-and-evidence/case-studies/research-case-studies/2011/protecting-african-cattle,https://www.gov.uk/government/case-studies/dfid-research-protecting-african-cattle-from-east-coast-fever,418
  
negative.code: http://www.dfid.gov.uk/stories/case-studies/2010/helping-hiv-positive-mothers-have-hiv-negative-children,https://www.gov.uk/government/case-studies/helping-hiv-positive-mothers-have-hiv-negative-children,418
  http://www.dfid.gov.uk/stories/case-studies/2010/how-dfid-is-helping-the-moldovan-government-improve-the-way-it-plans-its-budget,https://www.gov.uk/government/case-studies/getting-money-where-its-needed,418
  http://www.dfid.gov.uk/stories/case-studies/2010/if-i-help-one-person-to-me-that-is-a-success,https://www.gov.uk/government/case-studies/if-i-help-one-person-to-me-that-is-a-success,418
  http://www.dfid.gov.uk/stories/case-studies/2010/india-janani,https://www.gov.uk/government/case-studies/a-safe-arrival-for-indias-newborns,301
  http://www.dfid.gov.uk/stories/case-studies/2010/julieth,https://www.gov.uk/government/case-studies/hope-across-the-south-african-border,418
  http://www.dfid.gov.uk/stories/case-studies/2010/landmine-ladies,https://www.gov.uk/government/case-studies/landmine-ladies-clearing-sri-lankas-deadly-harvest,418
  http://www.dfid.gov.uk/stories/case-studies/2010/last-night-an-sms-saved-my-lived,https://www.gov.uk/government/case-studies/last-night-an-sms-saved-my-life,418
  