Anchor: But Ballmer is just a student driver, and as soon as the cops leave, Gates will retake the wheel.
Entailed: Ballmer is a student.
Contradiction: Gates was driving the whole time.
Contradiction: There are people buying drinks.
Contradiction: I think it's great, you weigh your container and then you weigh your salad.
Contradiction: A group of people are practicing tai-chi in a park.
Contradiction: two people are talking