The room had four walls. The room was a square. The room was 10x10 meters wide.
The room had one door. The room had one window. The room had one chair. The room had one table. The room had an empty glass. The room had a tap.
The door was located on the South wall. The window was located on the East wall. The tap was located on the West wall.
The glass was located near the North wall. The table was located at the Centre. The chair was located against the West wall.
…okay, now what?