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

output: merely very bad

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

output: a superlative b movie -- funny , sexy , and rousing

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

output: try hard but come off too amateurish and awkward .

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

output:
a mechanical action-comedy whose seeming purpose is to market the charismatic jackie chan to even younger audiences .