Anchor: But fen-phen was the first drug therapy proven to reduce weight over the long haul.
Entailed: Fen-phen helped people who were obese.
Contradiction: Fen-phne failed to work for weight loss.
Contradiction: The research gathered already is fully sufficient.
Contradiction: Table 2 shows the breakdown of First-Class Mail by use.
Contradiction: The bazaar runs deep toward the center center, far from the caravanserai. 
Contradiction: Betsy made it all happen by using her wonderful laugh and logical mind.