You should look at her portrait on the right hand side. If you still can't figure it out after that. Don't stress about it.
Pretty much hints to one of the things you should do through out the night. Keep your sanity(?) high. Squeeze that plushie 3-4 times and keep your sanity full. If Ari shows up and sees you're stressed (bar is about 1/4 full), she'll knock you out. Sammy is a bit helpful too. When she's inside your office, upon shaking her off your sanity gets refilled.