{
  "centroid":33.07953186001967,
  "trace": [
    "if days_to_flight is many_days [0.36] then price_increase is low [0.36].",
    "if days_to_flight is few_days [0.28] then price_increase is moderate [0.28].",
    "if days_to_flight is last_minute [0.00] then price_increase is high [0.00].",
    "⌖low×[0.36]+moderate×[0.28]+high×[0.00].",
    "⌖down(0,0,25)×[0.36]+tri(20,50,75)×[0.28]+up(70,100,100)×[0.00].",
    "⌖33.08."
  ],
  "what":"rules_result"
}