CPL @1104 (96.5%) on 18-mar-2018 [ "prices for natural _" "cost of natural _" "need for natural _" "point for natural _" "cost for natural _" "consumption of natural _" ] using gas_natural_gas_prices
PRA @960 (100.0%) on 10-nov-2015 [ "Y~_z-concept:country~specializations,concept:inverseofweaponmadeincountry" "Y~_z-concept:country:countries~concept:countriessuchascountries,concept:locationofitemexistence" "Y~_z-concept:weapon:nukes~concept:relatedto" "Y~_z-concept:agriculturalproduct:flowers~concept:agriculturalproductcamefromcountry,concept:inverseofweaponmadeincountry" "Y~_z-concept:weapon~specializations,concept:relatedto" ] using (gas_natural_gas_prices, nuclear_missile)