The passage suggests that the realists believed which one of the following to be true of the dicta in a judge's written opinion? A. The judge writing the opinion is usually careful to specify those parts of the opinion he or she considers part of the dicta. B. The appropriateness of the judge's decision would be disputed by subsequent judges on the basis of legal rules expressed in the dicta. C. A consensus concerning what constitutes the dicta in a judge's opinion comes to be fixed over time as subsequent similar cases are decided. D. Subsequent judges can consider parts of what the original judge saw as the dicta to be essential to the original opinion. E. The judge's decision and the grounds for it are usually easily distinguishable from the dicta.