CONCEPTS: buffet, cloud, frond, sun, tree

GEN: tropical storm clouds block out the sun as winds buffet the fronds of a palm tree

CONCEPTS: forest, form, tree

GEN: trees forming a tunnel over a road in the forest

CONCEPTS: enter, station, train

GEN: a subway train enters a station

CONCEPTS: couch, mom, tickle

GEN:
Two toddlers are rolling around on a couch as their mom tickles them.