Anchor: Vrenna looked nervous, taking a step back.
Entailed: Vrenna look nervous while taking a step back.
Contradiction: Vrenna looked confident while taking a step back.
Contradiction: They've always had a TV.
Contradiction: Portugal's capital has more than 2 million residents.
Contradiction: I study Biology in college, and I am interested in plant social systems.
Contradiction: A girl in a purple dress is climbing a wall.