Problem: What are the most important words?
one of the larger adobe buildings with decorations on its outside walls
Answer: building, decoration, wall

Problem: What are the most important words?
People are waiting on the subway to stop at the station.
Answer: station, stop, subway

Problem: What are the most important words?
There is a white porcelain sink beside a white rectangular bathtub with a white shower curtain in the bathroom.
Answer:
bathroom, bathtub, curtain, sink