1. A computer program product comprising a computer readable storage medium having a computer readable program stored therein, wherein the computer readable program, when executed on a computing device implementing a Question Answering (QA) system, causes the computing device to: receive an identification of a requested persona from a user; receive a natural language question input specifying an input question to be answered by the QA system; customize, in response to receiving the requested persona, components of the QA system to answer questions from a viewpoint of the requested persona; generate an answer to the input question from the viewpoint of the requested persona based on the customization of the components of the QA system; and output the answer to the input question in a form representative of the requested persona at least by re-formatting the answer utilizing a language style and word choice corresponding to the requested persona.
6. The computer program product of claim 1 , wherein the computer readable program further causes the computing device to customize components of the QA system to answer questions from a viewpoint of the requested persona at least by: retrieving one or more personality attributes for the requested persona and one or more annotations associated with the one or more personality attributes; performing a search of a corpus of content based on the one or more annotations to identify portions of content having associated annotations that match at least one of the one or more annotations; and selecting at least a sub-set of the identified portions of content having associated annotations that match at least one of the one or more annotations as a persona-specific corpus.