Anchor: One crashing bug in Outlook would reproduce only on a Gateway computer equipped with a Matrox video card.
Entailed: It took a specific Gateway computer, one with a Matrox video card, to reproduce a crashing bug in Outlook.
Contradiction: Gateway, unlike other brands of computers, was free from any Outlook-related bugs. 
Contradiction: The Roman theater still looks news.
Contradiction: A man and a woman in a big dress dancing.
Contradiction: Avoca is an unknown village.
Contradiction: The little girls were outdoors in a parade.