CONCEPTS: eat, farm, pig

GEN: small black pig running and eating in the farm

CONCEPTS: curve, lake, road

GEN: road curving along lake in the autumn

CONCEPTS: cone, project, projection, result, surface

GEN: projections result from projecting a spherical surface onto a cone .

CONCEPTS: activity, asphyxiate, lake, produce, villager

GEN:
volcanic activity under meromictic lake produced a cloud of carbon dioxide that asphyxiated villagers