Anchor: Didn't he tell you he was coming up to town? Julius shook his head.
Entailed: Only one party knew that he was coming to town.
Contradiction: Everyone knew he was coming to town before he'd even arrived.
Contradiction: No fish exist anymore.
Contradiction: They found that cars without air bags are at a lower risk than those with air bags. 
Contradiction: a man watches his house burn
Contradiction: A study group by the WHO.