Anchor: Unless, it waits until 2008 to shore up its base, volume declines
Entailed: Volume declines unless it waits until 2008 to shore up its base. 
Contradiction: Unless, it waits until 2008 to shore up its base, volume increases.
Contradiction: I don't know anyone who works at UT at the moment.
Contradiction: Two ladies are sitting on a bench.
Contradiction: A snowboarder is sitting on a bench.
Contradiction: There is a man walking