{
  "centroid":8.001584472172707,
  "trace": [
    "if days_to_flight is many_days [0.7619] then price_increase is low [0.7619].",
    "if days_to_flight is few_days [0.0000] then price_increase is moderate [0.0000].",
    "if days_to_flight is last_minute [0.0000] then price_increase is high [0.0000].",
    "⌖low×[0.7619]+moderate×[0.0000]+high×[0.0000].",
    "⌖down(0,0,25)×[0.7619]+tri(20,50,75)×[0.0000]+up(70,100,100)×[0.0000].",
    "⌖8.0016."
  ],
  "what":"rules_result"
}