{"baseline":{"minimum_k":1,"percent_below_5":100.0},"strategies":[{"strategy":"generalize_location_and_age","columns":["zip3","birth_decade","gender_category"],"minimum_k":4,"percent_below_5":20.0,"utility_retained":0.68,"meets_demo_policy":false,"writes_applied":false},{"strategy":"suppress_birth_date","columns":["zip5","gender_category"],"minimum_k":20,"percent_below_5":0.0,"utility_retained":0.76,"meets_demo_policy":true,"writes_applied":false},{"strategy":"coarsen_and_suppress_gender","columns":["zip3","birth_decade"],"minimum_k":4,"percent_below_5":13.333,"utility_retained":0.55,"meets_demo_policy":false,"writes_applied":false}],"recommended":{"strategy":"suppress_birth_date","columns":["zip5","gender_category"],"minimum_k":20,"percent_below_5":0.0,"utility_retained":0.76,"meets_demo_policy":true,"writes_applied":false},"policy_disclosure":"k>=5 and 0% below k=5 is a visible synthetic-demo policy, not a legal standard."}