Anchor: Poirot followed me down the narrow stairs. 
Entailed: I walked down the stairs with Poirot behind me. 
Contradiction: Poirot walked before me down the stairs. 
Contradiction: 30% of the total amount of allowances available for allocation for the year will be allocated based on heat input in 2000.
Contradiction: There was sweat dripping from the man's chin.
Contradiction: Flat sized and letter sized packages are the same thing.
Contradiction: Ben Brantley of the NY Times said that The Twelfth Night is one of Shakespeare's best romantic comedies.