Anchor: that  was you can't really be sure of the quality of what you got you know
Entailed: You know you should question the integrity of what you received.
Contradiction: You can be sure that whay you got is top notch!
Contradiction: a bicyclist holds up his new van
Contradiction: At times, America also does that.
Contradiction: Chernomyrdin was seen by the public as exciting and quick.
Contradiction: a man is writing on the chalkboard