Concepts: class, pupil, school
A: an ethnically mixed class of pupils at a school
Concepts: sink, tile, toilet, wall
A: A bathroom containing a white toilet, white sink, and white tile on the walls.
Concepts: depot, track, train
A: A train on a train track at a train depot.
Concepts: bring, color, wall
A:
decorative plates on the wall to bring in color