Text: In the months since the horrible events of September 11th, the President and the Congress have responded with important and aggressive actions to protect the nation, including creating an Office of Homeland Security (OHS), passing new laws such as the USA Patriot Act and an initial emergency supplemental spending bill, establishing a new agency to improve transportation security, and working with unprecedented collaboration with federal, state, and local governments, private sector entities, non-governmental organizations, and other countries to prevent future terrorist acts and to bring to justice those individuals responsible for such terrible acts.
Entailment: The President and Congress passed the USA Patriot Act in the aftermath of September 11th.
Contradiction: The measures pursued by Congress and the President weren't passed with any intention of preventing acts of terrorism in the future.