{
  "centroid":35.38067492727442,
  "trace": [
    "if days_to_flight is many_days [0.03] then price_increase is low [0.03].",
    "if days_to_flight is few_days [0.03] then price_increase is moderate [0.03].",
    "⌖low×[0.03]+moderate×[0.03].",
    "⌖down(0,0,25)×[0.03]+tri(20,50,75)×[0.03].",
    "⌖35.38."
  ],
  "what":"rules_result"
}