Anchor: A boy belly-surfing a skateboard into a pile of autumn leaves.
Entailed: The boy is using a skateboard.
Contradiction: The boy is belly-surfing into snow.
Contradiction: A woman navigating a watercraft under partly cloudy skies.
Contradiction: The first US Japan Treaty of Amity and Commerce came about from negotiations at Ryosenji temple. 
Contradiction: Intervention case studies should only focus on the addict. 
Contradiction: I thanked Derry by cooking.