{
  "centroid":8.001584472172706,
  "trace": [
    "if days_to_flight is many_days [1.000] then price_increase is low [1.000].",
    "if days_to_flight is few_days [0.000] then price_increase is moderate [0.000].",
    "if days_to_flight is last_minute [0.000] then price_increase is high [0.000].",
    "⌖low×[1.000]+moderate×[0.000]+high×[0.000].",
    "⌖down(0,0,25)×[1.000]+tri(20,50,75)×[0.000]+up(70,100,100)×[0.000].",
    "⌖8.002."
  ],
  "what":"rules_result"
}