Anchor: A group of teenagers eat a meal together in a sunlit dining room.
Entailed: Some teenagers eating some food.
Contradiction: An old man eating by himself by candle light.
Contradiction: Family members have not liked them, I have not had any repeat orders.
Contradiction: It's what I expected. 
Contradiction: There's an abundance of knowledge on how non-transportation costs and weight relate to one another.
Contradiction: It's much better to provide chemical solutions now, than biological solutions later.