Anchor: Only then did he realize how one chair could complicate his life.
Entailed: The chair made the person's life more complicated.
Contradiction: The chair made his life much more easier. 
Contradiction: Don't send the bear to Canada, send it to Mexico.
Contradiction: Two women are laughing and having wine.
Contradiction: The man is drinking a beer in a pub.
Contradiction: A man stood holding a sign for the protest.