{
  "starting_customers": [
    "A",
    "B",
    "C",
    "D"
  ],
  "retained_starting_customers": [
    "A",
    "C",
    "D"
  ],
  "new_current_customers": [
    "E"
  ],
  "prior_cohort_amount": 1000,
  "current_cohort_amount": 900,
  "current_all_customer_amount": 1200,
  "count_retention_fraction": "3/4",
  "same_cohort_revenue_fraction": "9/10",
  "capped_cohort_amount": 750,
  "capped_comparison_fraction": "3/4",
  "total_growth_fraction": "1/5",
  "cohort_expansion_amount": 150,
  "cohort_contraction_amount": 50,
  "lost_activity_amount": 200,
  "variation_C_current700": {
    "current_cohort_amount": 1150,
    "revenue_fraction": "23/20",
    "count_fraction": "3/4"
  },
  "variation_D_zero_others_at_prior": {
    "current_cohort_amount": 600,
    "revenue_fraction": "3/5",
    "count_fraction": "3/4"
  }
}