CONCEPTS: chocolate, donut, glaze

GEN: Some glazed donuts have chocolate frosting with sprinkles.

CONCEPTS: announce, contest, winner

GEN: winners of contest have been announced

CONCEPTS: area, environment, live, organism

GEN: ecosystem all of the organisms living in an area together with their physical environment .

CONCEPTS: grind, rail, skateboard

GEN:
The teenage boy is grinding a skateboard on a steep rail.