Anchor: I was at a picnic where people played a game--a game in which they attempted to flay each other using hand-held metal hooks, stripping skin away from their ribs and spines.
Entailed: People played a game at the picnic.
Contradiction: People played a song at the picnic.
Contradiction: No one cooked  dinner  that  night.
Contradiction: A band is playing.
Contradiction: They have it ready everyday by 5 a.m. 
Contradiction: Convenience gambling is criticized by experts.