Anchor: Two young brown-haired children are waving.
Entailed: two kids are waving.
Contradiction: Two women are waving goodbye to their friends.
Contradiction: there is no area for beginners at the Sun Bowl
Contradiction: The bouts may start in the morning but the crowds arrive late in the afternoon.  
Contradiction: It doesn't sound like you've ever done that at all. 
Contradiction: You know.