CONCEPTS: chair, room, suitcase

GEN: A man on a chair in a room with a suitcase

CONCEPTS: energy, matter, space

GEN: a wave is a disturbance that transmits energy through matter or space .

CONCEPTS: bloom, city, tree

GEN: during the winter months you will find many trees blooming beautiful pink flowers all over the city .

CONCEPTS: fall, mountain, sky

GEN:
fall foliage against a cloudy sky in the mountains