CONCEPTS: dog, farmer, help, herd, sheep

GEN: A dog is helping to herd the sheep for the farmer.

CONCEPTS: come, mate, nest, osprey

GEN: an osprey comes in for a landing next to its mate on their nest .

CONCEPTS: activity, cloud, lake, produce, villager

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

CONCEPTS: cat, stare, window

GEN:
A cat staring out a window.