CONCEPTS: disaster, firefighter, flame, hose, use

GEN: a firefighter uses a hose to douse the flames of disaster .

CONCEPTS: activity, cloud, lake, produce, villager

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

CONCEPTS: build, mausoleum, monarch, wife

GEN: the mausoleum built by monarch for his favourite wife

CONCEPTS: feeling, love, word

GEN:
in words describe the feeling of being in love