15. The method according to claim 14 , said evaluating a piece of evidence further comprising: parsing said question into a first collection of elements; parsing said piece of evidence into a second collection of elements; analyzing said first collection of elements for said question and said piece of evidence in order to determine a relationship between an element of said first collection of elements for said question and an element of said second collection of elements for said piece of evidence, said relationship between elements comprising a lexical relationship, a grammatical relationship, or a semantic relationship; and locating a missing relationship between said elements, said missing relationship comprising said missing information.
14. The method according to claim 12 , said identifying missing information further comprising: evaluating a piece of evidence relevant to said candidate answer to identify said missing information, said missing information comprising a data, a fact, a syntactical relationship, a grammatical relationship, a logical rule, or a taxonomy rule.