Would the following phrase be considered positive or negative?

brainless flibbertigibbet

negative

Would the following phrase be considered positive or negative?

one of the very best movies ever made about the life of moviemaking .

positive

Would the following phrase be considered positive or negative?

its characters ' decisions only unsatisfactorily

negative

Would the following phrase be considered positive or negative?

sorvino is delightful in the central role .
positive