Anchor: Federal Reserve researchers estimated that, as of the early 1990s, U.S. investment including education and R and D had declined as a share of GDP since the 1970s.
Entailed: Federal Reserve researchers found that US investment has declined.
Contradiction: Federal Reserve researchers found that US investment has increased.
Contradiction: The enemy was nearby.  
Contradiction: Two men stand on a wall.
Contradiction: Materials and Components Newsletter has never been published.
Contradiction: Business case analyses are used to justify technology investments.