CONCEPTS: fungus, grow, stump

GEN: fungus grows in abundance on an old stump along a trail .

CONCEPTS: flow, mountain, river, waterfall

GEN: person lights up mountain as river flows over waterfall

CONCEPTS: earth, surface, water

GEN: earth the only planet with large amounts of water on its surface .

CONCEPTS: herd, pasture, sheep

GEN:
herd of sheep in the pasture