Would the following phrase be considered positive or negative?

a genuine love story ,

positive

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realistically nuanced a robert de niro performance can be when he is not more lucratively engaged in the shameless self-caricature of ' analyze this ' ( 1999 ) and ' analyze that , ' promised ( or threatened ) for later this year

negative

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's a dangerous , secretly unhinged guy who could easily have killed a president because it made him feel powerful .

negative

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's best served cold
positive