Tick the correct statement(s) out of the following: I. The Smritis are the auxiliary treatise of the Vedas or their supplementaries. II. The Puranas provide religious and historical details of the Aryan Civilization and contain legends, rituals, tradition and moral codes. III. The Brahmanas throw light on the socio-political life of the Aryans and form a sort of explanation of their religion, especially sacrifice.