You shouldn't destroy public property.
Frank is among a group of demonstrators demanding social justice.
Frank wants to draw attention to their cause.
Frank carries a sign in front of city hall bearing the group's slogan.
Frank spray-paints the group's slogan on the front of city  hall.
Frank's sign is shown on TV news causing some viewers to consider social justice in their town.
The act is shown on TV news turning some viewers against Frank's cause.