Review: a new , self-deprecating level 
Sentiment: negative

Review: the pain , loneliness and insecurity of the screenwriting process are vividly and painfully brought to slovenly life in this self-deprecating , biting and witty feature written by charlie kaufman and his twin brother , donald , and directed by spike jonze . 
Sentiment: positive

Review: failed jokes , twitchy acting , 
Sentiment: negative

Review: unencouraging threefold expansion 
Sentiment: negative


Review: human nature , in short , is n't nearly as funny as it thinks it is ; neither is it as smart