Review: i love the robust middle of this picture . 
Sentiment: positive

Review: frequently veers into corny sentimentality , probably 
Sentiment: negative

Review: from being a complete waste of time 
Sentiment: negative

Review: a zombie movie in every sense of the word -- mindless , lifeless , meandering , loud , painful , obnoxious 
Sentiment: negative


Review: ... begins on a high note and sustains it beautifully .