Anchor: A large group of people putting on life vests.
Entailed: People put on life vests.
Contradiction: People put on coats in the snow.
Contradiction: The sky is dark and the moon is full.
Contradiction: The early part of the century consisted of 12,000 auto companies. 
Contradiction: The man is wearing a pink shirt.
Contradiction: We were supposed to talk about fishing, so we did that in the end.