Would the following phrase be considered positive or negative?

of constant smiles and frequent laughter

positive

Would the following phrase be considered positive or negative?

, stylized humor throughout

positive

Would the following phrase be considered positive or negative?

gives devastating testimony to both people 's capacity for evil and their heroic capacity for good .

negative

Would the following phrase be considered positive or negative?

the pretensions -- and disposable story -- sink the movie .
negative