Anchor: We had a good yarn about old times, and it ended in his inviting me down to Styles to spend my leave there. 
Entailed: I was invited to spend my vacation time at Styles.  
Contradiction: We did not talk about the good old days.  
Contradiction: I know this thing with the high sides, will not keep the bugs out.
Contradiction: The Sarbanes-Oxley Act was adopted in 2002.
Contradiction: A black dog chases his master.
Contradiction: People with umbrellas.