In this box, you can see the who's or whose question; Who's the murderer. In this case, we used "who's" because we are asking about a person, not his possession. The question is going to appear in white, on a black screen.
scene 22 M
You're going to call the police, aren't you?
This scene is going to be a flash of the janitor, Anna, holding her broom in the air in an aggressive way. In the hole story, the broom is used to hit Brittany but you don't see this part in the trailer.
scene 23 W
In this scene, Brittany is laying on her back on the cafeteria's floor and you can hear her having difficulty breathing. It's also a flash so you never see that Anna hits Brittany with her broom and that Brittany hit her head on the desk.
scene 24 CU
In this scene, the janitor is talking with Fanny. Anna tells Fanny to calm down and then, Fanny ask the tag question; You're going to call the police, aren't you? Anna finally goes hide the dead body.
In this scene, the janitor is dragging a body in the school. We suppose that Anna is trying to hide Florence's dead body but you can't see the face of the person that Anna is dragging. This scene is also a flash.
Which one of them will survive?
In this scene, you can see many close-ups of the four main characters and the "which" or "what kind of" question; Which one of them will survive?