Ask the nearest person why you're there

From Create Your Own Story

A man who appears to be "the boss" of whatever building you're in responds by saying, "Hey clown. What are you doing here? You need to leave soon or you'll scare off my customers. Now get out our I'll call the police." You decide to...

Follow his directions and leave the building

Become confrontational and ask "the boss" why he is being so rude

Be truthful and tell "the boss" that you don't remember how you got inside this building