input: Generate a short movie review that has "positive" sentiment.

output: one of the most beautiful , evocative works i 've seen

input: Generate a short movie review that has "negative" sentiment.

output: another genre exercise

input: Generate a short movie review that has "positive" sentiment.

output: curves

input: Generate a short movie review that has "negative" sentiment.

output:
starts out with tremendous promise , introducing an intriguing and alluring premise , only to fall prey to a boatload of screenwriting cliches that sink it faster than a leaky freighter