Anchor: Second, it is exciting and even encouraging to watch one's hero smack a concrete wall at such high speeds and walk away unscathed.
Entailed: It can be a positive thing to watch a champion survive high speed impact without injury. 
Contradiction: It was horrible to see a hero killed in such a way. 
Contradiction: The Winged Victory of Samothrakia has never been recovered.
Contradiction: How would I have known the don't eat grass?
Contradiction: The woman is attending a lecture.
Contradiction: A man is playing baseball in DC.