Anchor: Now he had to think of the simplest possible similarity computer.
Entailed: He was compelled to think of a simple similarity computer.
Contradiction: He had a satisfactory similarity computer and felt no urgency.
Contradiction: I tried on the cotton size 32 model.
Contradiction: (Is another real answer possible?)
Contradiction: A lot of tigers live here.
Contradiction: Two men are on an escalator.