One Way Out

You walked towards your locker, peeking inside classrooms that you pass. No one.
You turn the corner and you saw Anna. She was reading a book. You stop in front of her.
"Hey Anna," you started, "do you know anything about what just happened?"
She shrugged, "I have no idea what you're talking about. I was just getting my book for DEAR."
You nodded and left. She was obviously oblivious to the horrors that happened here. You heard the sound of quiet footsteps.

You have 3 choices: