Anchor: A woman in a blue helmet is at the front of a group of people in a roller derby.
Entailed: The woman is leading a group.
Contradiction: The woman is wearing a yellow helmet.
Contradiction: The child is running around.
Contradiction: The skier is using skies in the snow.
Contradiction: A man is surfing.
Contradiction: It is likely that Tudjman will not live much longer.