14. The apparatus of claim 13 , wherein each entry in the relationship data store further comprises a corresponding frequency of occurrence value indicating a frequency at which a corresponding pairwise relationship was found in the at least one document of the corpus during the pre-processing.
14. The apparatus of claim 13 , wherein each entry in the relationship data store further comprises a corresponding frequency of occurrence value indicating a frequency at which a corresponding pairwise relationship was found in the at least one document of the corpus during the pre-processing. 15. The apparatus of claim 14 , wherein the instructions further cause the processor to present the plurality of candidate answers and the common relationship to the user by generating a visual display of the plurality of candidate answers and the common relationship along with the corresponding frequency of occurrence value for the common relationship.