Anchor: Some questions are more complex, however, such as the  Are security procedures in U.S. airports sufficient to protect the safety of passengers and equipment?
Entailed: Determining whether airport security is sufficient is a complex problem.
Contradiction: Making airports safe for passengers is extremely simple.
Contradiction: An Icelandic guy is standing on his stairs and eating rabbit.
Contradiction: two dogs play by a body of water.
Contradiction: The Board is not being presented with significant, vexing theoretical and practical problems.
Contradiction: A person is holding a baby.