With regard to negative territorial encroachment, which is an example of blocking? You can't get past someone at the grocery store because their cart is taking up the whole aisle. Your professor kicks a student out of class because the student refuses to stop playing games on his phone. Your roommate left for a weeklong trip and you notice she took your suitcase without asking The pet sitter you hired for the weekend smoked cigarettes in your apartment and now you can't get rid of the smell.