Anchor: To address these risks, many of which did not exist prior to extensive use of networks, electronic mail, and the Internet, the organizations had begun placing
Entailed: Many risks didn't exist before networks were used a lot.
Contradiction: Many risks existed long before networks did.
Contradiction: One old man scales a mountain.
Contradiction: A woman holding a tennis racket at a tennis game.
Contradiction: A man sitting outside at a table with food and refreshments.
Contradiction: They emphasize the method's value in the Challenger tragedy.