{
  "centroid":41.53463532044407,
  "trace": [
    "if days_to_flight is many_days [0.24] then price_increase is low [0.24].",
    "if days_to_flight is few_days [0.56] then price_increase is moderate [0.56].",
    "if days_to_flight is last_minute [0.00] then price_increase is high [0.00].",
    "⌖low×[0.24]+moderate×[0.56]+high×[0.00].",
    "⌖down(0,0,25)×[0.24]+tri(20,50,75)×[0.56]+up(70,100,100)×[0.00].",
    "⌖41.53."
  ],
  "what":"rules_result"
}