Anchor: Differences in performance of screening instruments for problem drinking among blacks, whites and Hispanics in an emergency room population.
Entailed: Instruments designed to screen for problem drinking perform differently among blacks, whites and Hispanics in the emergency room.
Contradiction: Highly accurate screening instruments for problem drinking can be used in an emergency room population regardless of ethnic or racial identity of patients.
Contradiction: I've never seen that one.
Contradiction: So let's use Texaco versus Pennzoil as an example case.
Contradiction: If you walk through the loggia, you'll find yourself at the edge of town, with nothing but countryside beyond.
Contradiction: Two workers making repairs to the roadside.