Anchor: Several people are crossing a street near a yield sign.
Entailed: A group of folks near a yield sign are crossing the road.
Contradiction: Some people are playing soccer in the park.
Contradiction: Pothia is nowhere near the medieval capital. 
Contradiction: Do you know anyone from Puerto Rico?
Contradiction: We fully understand what went wrong in Japan.
Contradiction: You can't be sure of what they will report.