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

output: laugh their *** off for an hour-and-a-half

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

output: a masterpiece --

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

output: with no reason for being

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

output:
much too conventional -- lots of boring talking heads , etc. -- to do the subject matter justice