problem: Generate a short movie review that has positive sentiment.
generated: has an unmistakable , easy joie de vivre .

problem: Generate a short movie review that has positive sentiment.
generated: manic and energetic

problem: Generate a short movie review that has negative sentiment.
generated: ( less a movie than )

problem: Generate a short movie review that has negative sentiment.
generated:
's not enough substance here to sustain interest for the full 90 minutes , especially with the weak payoff