Anchor: Fifty pounds ought to last us a few days."
Entailed: Fifty pounds should be plenty to get us through a few days.
Contradiction: Fifty pounds is not enough for multiple days.
Contradiction: Advertisers wants magazines to be free.
Contradiction: The road made of bricks has 2 bikes on it.
Contradiction: One woman is sitting in her yacht.
Contradiction: The keys included nearby research institutions, an educated talent pool, and plenty of venture capital.