Would the following phrase be considered positive or negative?

give strong and convincing performances

positive

Would the following phrase be considered positive or negative?

a testament to the divine calling of education and a demonstration of the painstaking process of imparting knowledge .

positive

Would the following phrase be considered positive or negative?

feel cheated by the high infidelity of unfaithful

negative

Would the following phrase be considered positive or negative?

a little-remembered world
positive