The eXvisory architecture only uses natural language understanding (NLU) to provide automatic translation of our web-hosted chatbots into other languages. It does NOT provide the NLU capabilities other chatbot frameworks like IBM Watson and Google DialogFlow provide, which enable users to ask free-form questions. eXvisory complements NLU frameworks by adding deep logic reasoning, in much the same way that a medical expert must both understand what his/her patients are asking but also have deep medical diagnostic expertise.