Anchor: Around 15 people are on a boat on a river going somewhere.
Entailed: A group of people are riding in a boat.
Contradiction: A man is taking his yacht for a leisurely cruise.
Contradiction: Segregation does not produce increased crime, poverty and discrepancy in quality of life. 
Contradiction: The dog is not inside.
Contradiction: The standards for white wines have never included bell pepper, brine from canned asparagus or apricot puree.
Contradiction: There is a person outdoors.