Anchor: A man sits on a horse with mountains in the background.
Entailed: A man is sitting on the horse.
Contradiction: The man is indoors.
Contradiction: A boy is throwing a baseball to his team mate in a baseball game.
Contradiction: A woman holds a cigarette.
Contradiction: There are no events held in August at all.  
Contradiction: The woman  with a dog is walking in the snow.