Anchor: This person is skiing.
Entailed: this person is on the snow
Contradiction: this person is watching TV
Contradiction: There was never a census to determine how many radiotelephone firms had a thousand employees or more.
Contradiction: Since we are involved, if war breaks out, we have to participate.
Contradiction: The bike rider is asleep.
Contradiction: But stop being concerned about it, this is not the time for that.