Anchor: well i've got to go to a meeting it's been good talking to you
Entailed: It's been good talking to you but I've got to go to a meeting. 
Contradiction: It's been really horrible talking to you. 
Contradiction: The silent market did not receive any announcements. 
Contradiction: He was responsible for the creation of the first coins.
Contradiction: I did not like him.  
Contradiction: The rate difference in this example would be 6a.