Review: of flimsy -- or , worse yet , nonexistent -- ideas 
Sentiment: negative

Review: little room for engaging , imaginative filmmaking in its nearly 2 1/2 
Sentiment: negative

Review: david letterman and the onion 
Sentiment: positive

Review: that takes its sweet time building to a climax that 's scarcely a surprise by the time 
Sentiment: negative


Review: stay away