In 2015, after the Kansas City Royals won the World Series, a group of fans in Lawrence tore down the goal post at KU Memorial Stadium and tossed it into Potter Lake. It is very likely that damaging property (with a cost of $10,000) is not part of the students' personal values; however, that night it is likely that the students became less aware of their individual values and adopted the group's values. This type of riot is an example of: