5. The method of claim 1 wherein evaluating the first set of NLP structures forms a first set of candidate answers supported by the first set of evidence for candidate answers; and wherein evaluating the contrary set of NLP structures forms a second set of candidate answers supported by the second set of evidence for candidate answers.
5. The method of claim 1 wherein evaluating the first set of NLP structures forms a first set of candidate answers supported by the first set of evidence for candidate answers; and wherein evaluating the contrary set of NLP structures forms a second set of candidate answers supported by the second set of evidence for candidate answers. 6. The method of claim 5 wherein evaluating the first set of hypotheses includes evaluating the first set of candidate answers supported by the first set of evidence for candidate answers and evaluating contradictory candidate answers supported by the second set of evidence for candidate answers; and wherein evaluating the contrary set of hypotheses includes evaluating the second set of candidate answers supported by the second set of evidence for candidate answers and evaluating contradictory candidate answers supported by the first set of evidence for candidate answers.