Anchor: Or maybe the behavior of eBayers can be explained only by subtler and more carefully tested theories that have not yet been devised.
Entailed: It is possible that the behavior of eBayers can be explained by subtler and more carefully tested theories.
Contradiction: The behavior of eBayers can be easily and reliably predicted.
Contradiction: People dressed in black are swimming through a river.
Contradiction: The boy is sweeping.
Contradiction: A skateboarder is in the air because he is actually a bird.
Contradiction: Two people are welding outside.