{
  "centroid":40.323798735013696,
  "trace": [
    "if days_to_flight is many_days [0.26] then price_increase is low [0.26].",
    "if days_to_flight is few_days [0.50] then price_increase is moderate [0.50].",
    "if days_to_flight is last_minute [0.00] then price_increase is high [0.00].",
    "⌖low×[0.26]+moderate×[0.50]+high×[0.00].",
    "⌖down(0,0,25)×[0.26]+tri(20,50,75)×[0.50]+up(70,100,100)×[0.00].",
    "⌖40.32."
  ],
  "what":"rules_result"
}