Liang: Watching movies in which violence is portrayed as an appropriate way to resolve problems increases levels of aggression in viewers  Ttherefore, children' s access to these movies should be restricted  Sarah: Watching a drama whose characters are violent allows the audience to vicariously experience the emotions associated with aggression and thus be purged of them
Hence, the access by mature audiences to such forms of entertainment should not be restricted
people who experience an emotion vicariously are likely to purge themselves of that emotion