Text: The Federal Reserve was established by Act of Congress pursuant to the Government's sovereign power over the nation's money, and its investment in Treasury securities is necessary for carrying out its monetary function.
Entailment: The Federal Reserve was established by Act of Congress pursuant to the Government's sovereign power over the nation's money, and its investment in Treasury securities is absolutely necessary for carrying out its monetary function.
Contradiction: The Federal Reserve was established by Act of Congress pursuant to the Government's sovereign power over the nation's money, and its investment in Treasury securities is not really necessary for carrying out its monetary function.