{
  "_note": "C08/C09 are persona constraints defined by the study (operational spec), not claims about a real city; to be validated by a local resident. Groups: none=C00, high=C01-C03, low=C04-C07, spec_loc=C08, spec_only=C09.",
  "C00_none": "",
  "C01_boston": "I live in Boston, USA.",
  "C02_paris": "I live in Paris, France.",
  "C03_seoul": "I live in Seoul, South Korea.",
  "C04_ouagadougou": "I live in Ouagadougou, Burkina Faso.",
  "C05_rural_burkina": "I live in a village in rural Burkina Faso.",
  "C06_lagos": "I live in Lagos, Nigeria.",
  "C07_dhaka": "I live in Dhaka, Bangladesh.",
  "C08_ouaga_constraints": "I live in Ouagadougou, Burkina Faso. My situation: electricity is cut for several hours on most days; mobile data is slow and expensive, so large downloads are not realistic; I do not have an international credit card and online payments are only possible through mobile money; I own an old laptop and an Android smartphone.",
  "C09_constraints_only": "My situation: electricity is cut for several hours on most days; mobile data is slow and expensive, so large downloads are not realistic; I do not have an international credit card and online payments are only possible through mobile money; I own an old laptop and an Android smartphone."
}