Review: they presume their audience wo n't sit still for a sociology lesson , however entertainingly presented , so they trot out the conventional science-fiction elements of bug-eyed monsters and futuristic women in skimpy clothes . 
Sentiment: negative

Review: then becomes unwatchable 
Sentiment: negative

Review: come to earth 
Sentiment: positive

Review: derived from a lobotomy , 
Sentiment: negative


Review: spielberg 's first real masterpiece