Review: refers incessantly to old movies , when you could just rent those movies instead , let alone seek out a respectable new one 
Sentiment: negative

Review: more confused , less interesting and more 
Sentiment: negative

Review: wonder of wonders 
Sentiment: positive

Review: actually finding the characters in slackers or their antics amusing , let alone funny 
Sentiment: negative


Review: sketchy it amounts to little more than preliminary notes for a science-fiction horror film