Would the following phrase be considered positive or negative?

one-sided documentary offers simplistic explanations to a very complex situation .

negative

Would the following phrase be considered positive or negative?

for fashioning an engrossing entertainment out of an almost sure-fire prescription for a critical and commercial disaster

negative

Would the following phrase be considered positive or negative?

is visually ravishing

positive

Would the following phrase be considered positive or negative?

is still charming
positive