Anchor: A group of individuals are gathered around a laptop computer, with one of them pointing towards it.
Entailed: A group of people look at a screen.
Contradiction: A group of people aren't near a computer.
Contradiction: Ask Jeeves is capable of serious political discourse. 
Contradiction: Can you specify which computer you know?
Contradiction: Indonesia's popular movement is more organized than the opposition movement in the Philippines.
Contradiction: There was a dog in the tent.