Anchor: A woman is smiling next to man who is also smiling while holding cotton candy cone.
Entailed: A man and woman are smiling.
Contradiction: Two people are standing with scowls on their faces.
Contradiction: cat looks under table
Contradiction: The risk is exacerbated because systems are vulnerable when they are accessed publicly. 
Contradiction: Nobody is sitting.
Contradiction: I prefer to eat cheddar cheese fondue over Swiss cheese fondue.