Anchor: But even among the good guys, a marginal physiognomy or a receding hairline can spell doom.
Entailed: Doom can be upon good guys thanks to a receding hairline. 
Contradiction: Receding hairlines don't happen to good guys. 
Contradiction: Four boys are going to the moon.
Contradiction: Frequent flyer seats were available in small number at desired times of travel.
Contradiction: They were painted by Da Vinci.
Contradiction: He gave up a career as a doctor to pursue being a writer.