sentences: energy being available has a uncertain plains on the nothing that want those runoff
docs: runoff is surplus. political_instability_in_in_afghanistan is political_instability. mangrove_swamp is tangible_thing. coal is commodity_utterly_lacking_in_glamour. conservation_of_momentum is conservation. geothermal_energy is tangible_thing. spring has potential_energy vulnerable_to_syn_flood is tcp_packet_attack_vulnerability. coaling is providing. texas has abundant_oil_reserves