Would the following phrase be considered positive or negative?

does a great combination act

positive

Would the following phrase be considered positive or negative?

talky , artificial and opaque ... an interesting technical exercise

negative

Would the following phrase be considered positive or negative?

a charge of genuine excitement

positive

Would the following phrase be considered positive or negative?

created a substantive movie out of several cliched movie structures : the road movie , the coming-of-age movie , and the teenage sex comedy
positive