Anchor: A smiling woman in a black suit is standing in front of an audience in a bookstore or library, holding a book and smiling at them.
Entailed: The woman is smiling.
Contradiction: The woman is frowning and angry.
Contradiction: I wish that you trusted me. 
Contradiction: Bush capped NOx and SO2 emissions when he was Governor.
Contradiction: Snoopy is not available for purchase from McDonald's.
Contradiction: LSEO kept at it.