Anchor: The three people are walking on the seashore, which is covered with seaweed.
Entailed: Three people are walking on the beach, which is full of seaweed.
Contradiction: Three people are swimming at the beach
Contradiction: A man drives a car.
Contradiction: Religious conservatives believe the GOP ignores their causes. 
Contradiction: The dogs are playing in South Africa.
Contradiction: There were ill feelings between the city and country of New York.