Anchor: A male gymnast in a blue tank top and black pants is upside down, while performing his routine on the ring.
Entailed: The male is performing gymnastics.
Contradiction: the male is standing up
Contradiction: Patients wit severe alcohol problems can be completely ignored. 
Contradiction: Two athletes are playing agressively.
Contradiction: a man sleeping
Contradiction: There are many people, at least one of whom does not have a bare head.