The evidence and reasoning in "Urban Legend Disintegration Center" is very important. Without sufficient evidence, subsequent reasoning cannot be completed. With evidence, you can start to reason. The reasoning on the second day of Chapter 2, The question is what possibilities would exist if the ghost was fake.
How to reason about the second chapter of the Urban Legend Disintegration Center on the second day
The reasoning answer is shown below
Click on the picture to view the larger picture