Anchor: Driven south, the Dravidians remained not only geographically separate, but also politically independent, impervious to the waves of foreign invaders.
Entailed: The Dravidians remained isolated in culture and geography. 
Contradiction: The Dravidians are close to all other cultures. 
Contradiction: It was a blood clot.
Contradiction: Two people are next to each other
Contradiction: I could care less what happens, so boring.
Contradiction: The team is cheering for the win.