Anchor: However, they were surprised to find that regardless of whether the injury was attributed to alcohol or not, patients did equally well at follow-up.
Entailed: They were surprised that regardless of alcohol injury or not the patients did well at their follow up. 
Contradiction: They weren't surprised at how well the patients did at their follow up. 
Contradiction: A man balancing on the back tire on a bicycle.
Contradiction: What are you discussing?
Contradiction: The people are sleeping.
Contradiction: These are recorded and transcribed so that they know what is said.