A large, blackboard-covered wall in a classroom features a variety of handwritten notes and diagrams, including words like "bathroom", "kitchen", "condition", "condition", "living room", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "condition", "condition", "bathroom", "kitchen", "