CONCEPTS: beach, collect, stone

GEN: little girl collects stones on the beach

CONCEPTS: shower, tile, wall

GEN: A bathtub and shower with ceramic tiles on the walls.

CONCEPTS: athlete, help, medal, win

GEN: athlete took time off to help sports association win a gold medal .

CONCEPTS: bridge, cantilever, part

GEN:
cantilever bridge spans the narrowest part