1. Please do not enter the laboratory building alone between 13:00 and 14:00.
2. Please do not communicate with people other than those wearing white coats in the laboratory building.
3. Please dress neatly before entering the laboratory building, and you must wear a white coat.
4. Please do not sit on the hospital bed with the mannequin without the teacher's permission.
5. Please do not enter the experimental classroom without a teacher.
6. There is only one entrance to the laboratory building of our school.
…
Anyone who violates the above rules will be responsible for the consequences! Our school is not responsible
Concept: realism, pessimism