Anchor: But humans are still the only intelligent life--right?
Entailed: Humans are still the only intelligent beings, correct? 
Contradiction: I know humans aren't the only intelligent life on this planet. 
Contradiction: The man hugged her tightly and said nothing.
Contradiction: When I played football in high school, the coach always made us run, and I've never liked jogging. 
Contradiction: I still have lots and lots of dinner parties.
Contradiction: A musician performs on a stage.