Anchor: Of course, it had been there from the beginning, slipped in by the ticket agent.
Entailed: Something was slipped in by the ticket agent.
Contradiction: Nothing was introduced by a ticket agent.
Contradiction: No states believe that risk assessments are effective.
Contradiction: A snowboarder is jumping with his snowboard.
Contradiction: Twenty years old.
Contradiction: I've got a little more time now, but I'm still pretty busy.