Anchor: The new regimens are themselves feasible (at costs from pennies to $60 per patient, they seem to be).
Entailed: The new regimens cost only $60 per patient.
Contradiction: The regimens are far too expensive to be feasible.
Contradiction: Artists' stocks never vary and dealers take advantage of this.
Contradiction: Flipping through channels, you're likely to see an advert starring Gabriela Starszalowska.
Contradiction: A man fly-fishes in wading boots.
Contradiction: I went outside without a coat and that's why I got a cold.