10. An apparatus comprising: a processor; and a memory coupled to the processor, wherein the memory comprises instructions which, when executed by the processor, cause the processor to: receive a plurality of candidate answers for an input question from a Question and Answer (QA) system; identify terms present in the plurality of candidate answers; determine relationships between terms the plurality of candidate answers; determine a common relationship between terms in a subset of the plurality of candidate answers, the common relationship being between a first term and a second term in each candidate answer of the subset of the plurality of candidate answers based on the determined relationships between terms the plurality of candidate answers; and present the plurality of candidate answers and the common relationship to a user.
10. An apparatus comprising: a processor; and a memory coupled to the processor, wherein the memory comprises instructions which, when executed by the processor, cause the processor to: receive a plurality of candidate answers for an input question from a Question and Answer (QA) system; identify terms present in the plurality of candidate answers; determine relationships between terms the plurality of candidate answers; determine a common relationship between terms in a subset of the plurality of candidate answers, the common relationship being between a first term and a second term in each candidate answer of the subset of the plurality of candidate answers based on the determined relationships between terms the plurality of candidate answers; and present the plurality of candidate answers and the common relationship to a user. 18. The apparatus of claim 10 , wherein the instructions further cause the processor to present the plurality of candidate answers and the common relationship between terms in the subset of the plurality of candidate answers to the user by generating a visual display of the plurality of candidate answers and at least one evidence text passage from at least one document of a corpus that support the common relationship between terms in the subset of the plurality of candidate answers, with portions of at least one of the subset of the plurality of candidate answers, or the at least one evidence text passage, being accentuated in the visual display.