{
  "centroid":48.33367690510546,
  "trace": [
    "if days_to_flight is many_days [0.00] then price_increase is low [0.00].",
    "if days_to_flight is few_days [0.81] then price_increase is moderate [0.81].",
    "⌖low×[0.00]+moderate×[0.81].",
    "⌖down(0,0,25)×[0.00]+tri(20,50,75)×[0.81].",
    "⌖48.33."
  ],
  "what":"rules_result"
}