CONCEPTS: gravel, track, train

GEN: A train at a station with tracks and gravel.

CONCEPTS: firefighter, home, water

GEN: firefighters direct water into the side of a home .

CONCEPTS: aisle, imagine, walk

GEN: imagine walking down this aisle .

CONCEPTS: box, donut, fill, flavor, lot

GEN:
A box filled with lots of different flavored donuts.