Anchor: In 1811 Mohamed organized a grand banquet and called all the notable mamelukes to attend.
Entailed: In 1811, Mohamed organized a banquet.
Contradiction: In 1811, Mohamed attended a banquet.
Contradiction: The big gray stood still and did nothing. 
Contradiction: If you dub the act of getting out of the table more exercise. 
Contradiction: The dog is taking a nap.
Contradiction: Please tell us about the argument you heard.