Anchor: A person doing bicycle tricks on a wooden ramp.
Entailed: A bicyclist is doing stunts on a wooden ramp.
Contradiction: A bicyclist is doing tricks on a concrete slope.
Contradiction: People running on the grass in red shirts carrying guns.
Contradiction: They weren't able to succeed when they tried it.
Contradiction: The city is equipped with just one subway line.
Contradiction: A person wearing a shirt is near some texts.