Anchor: Likewise, if the presidency is worth $50 million and there are many potential candidates with essentially identical chances of winning, they'll keep entering the race until they've collectively spent at least $50 million.
Entailed: The presidency is valued at about $50 million.
Contradiction: Potential candidates won't continue running until $50 million has been spent.
Contradiction: The students are sitting in a classroom.
Contradiction: Doris Day's costumes were carefully thought out and planned and meticulous.
Contradiction: the car is not moving
Contradiction: It is a good place to stay before looking at volcano craters the next day.