Inquire/response system and inquire/response method

The present invention provides a question-answering system and challenge response method. Knowledge database for a first user having a knowledge of the source language of this first application to a first query language and a database having a second input source and language knowledge response is obtained, wherein for this interrogation retrieves the first knowledge database to obtain the first language the answer candidate, this inquiry machinery translated into a second language knowledge database to retrieve the second candidate answered a second language, translating the mechanical response of candidate second language into the first language, the candidate will answer first and second language candidate responses machine language translated into the first language prompted by the results of the whole predetermined reference sorting to the user.