CONCEPTS: hiker, trail, walk

GEN: Hikers walk on a trail.

CONCEPTS: bridge, top, track, train, travel

GEN: A train traveling under a rusted bridge on top of tracks.

CONCEPTS: ceremony, formation, soldier, stand

GEN: army soldiers stand in formation prior to a graduation ceremony

CONCEPTS: cow, fence, pasture, side

GEN:
Cows are on either side of a fence in a green pasture.