CONCEPTS: pan, shoreline, shot, wave

GEN: panning shot of waves coming up to the shoreline

CONCEPTS: bottom, stair, wait

GEN: woman waits for her child at the bottom of the stairs into metro station .

CONCEPTS: boat, kid, lake

GEN: Man and two kids on a boat on the lake.

CONCEPTS: book, clock, stack

GEN:
alarm clock with a stack of books