Would the following phrase be considered positive or negative?

were n't as beautifully shaped and as delicately calibrated in tone

negative

Would the following phrase be considered positive or negative?

is built on a potentially interesting idea

positive

Would the following phrase be considered positive or negative?

a competent , unpretentious entertainment destined to fill the after-school slot at shopping mall theaters across the country .

positive

Would the following phrase be considered positive or negative?

a phony relationship
negative