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

output: invitingly upbeat overture

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

output: the national lampoon film franchise , too long reduced to direct-to-video irrelevancy

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

output: proved too difficult a text to ' lick , ' despite the efforts of a first-rate cast

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

output:
by having the evil aliens ' laser guns actually hit something for once