Given the following statements about major schools of thought in macro economics, state which ones are correct:

A. The New Keynesians assume Rational Expectation and market imperfections and highlight the role of aggregate demand.

B. The Monetarists assume Rational Expectation, non-competitive markets and highlight the role of monetary policy.

C. The New Classicals assume Rational Expectation, competitive markets and highlight policy irrelevance.

D. The Classicals assume a competitive, and frictionless economy and highlight policy ineffectiveness.

E. The Keynesians assume wage and price flexibility and highlight policy effectiveness.

Choose the correct answer from the options given below: