Anchor: Internet telephony, one of the coolest new online applications, illustrates packet switching's drawbacks.
Entailed: Internet telephony is an new online application.
Contradiction: Internet telephony is the worst online application ever invented.
Contradiction: The dog chases a stick.
Contradiction: Alec has committed unlawful acts in the past.
Contradiction: A fisherman was on the dock.
Contradiction: A group of people are engaged in one activity.