Anchor: A man on a motorcycle riding on a track and waving.
Entailed: a man on a motorcycle
Contradiction: a man on a skateboard
Contradiction: Yeah it was nice, I just sat outside. 
Contradiction: The collective case study takes information from multiple sites and different times.
Contradiction: Once a resident alien leaves the U.S., they relinquish their status.
Contradiction: A man is climbing.