Anchor: The music concert is just started at the Giant stadium
Entailed: The concert has just began.
Contradiction: The stadium is empty and has closed down for good.
Contradiction: This was the same. 
Contradiction: We don't try to get state planning because we are not skilled at fund-raising.
Contradiction: A restaurant employee wearing a red coca cola shirt is not preparing food
Contradiction: A dog runs on the sand.