Anchor: A rollerblader is skating against the flow of many other rollerbladers.
Entailed: A rollerblader is rollerblading.
Contradiction: A rollerblader is moving with the crowd.
Contradiction: The two men are walking together.
Contradiction: He is known for his temper on the set.
Contradiction: Who's the illustrator?
Contradiction: the family is enjoying themselves in the park area