Trolling, or social media behavior that is uncivil and provocative is one of the most potent sources of political polarization today. You may have heard the expression, "don't feed the trolls," but how do you know if you are interacting with one? Answer as many of the questions you can about another social media user below, and our models will create a prediction about the likelihood that they are a political troll (an extremist who engages in uncivil behavior designed to antagonize the other side).