Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A sloppily-written and unsatisfying novel.

Ben Elton's popcorn is a half-baked story that manages to combine shoddy writing with a plotline taken from NATURAL BORN KILLERS and a heavy-handed appraisal of a "pressing social issue" (the effect of the media on violence in society.) Trashy, unenlightening. POPCORN is right; this is the kind of book that you digest quickly, then grumble when it gives you an upset stomach.