CONCEPTS: roof, track, train

GEN: A train is on the tracks under a roof.

CONCEPTS: feather, headdress, wear

GEN: prima ballerina wearing a high headdress with jewels and feathers

CONCEPTS: element, form, pattern

GEN: a complex abstract pattern formed by a chaotic heap of geometric elements of different shapes and colors

CONCEPTS: block, bridge, sheep

GEN:
herd of sheep blocking a bridge