Text: The SEC plays an important role through its responsibilities to regulate activities of public companies and their auditors and to conduct related enforcement actions, as well as to establish and sustain the new Public Company Accounting Oversight Board (PCAOB) established by the Sarbanes-Oxley Act of 2002 until the PCAOB is certified by the SEC as ready to operate.
Entailment: The SEC regulates the actions of companies.
Contradiction: The SEC does not regulate the actions of companies in the public arena.