10. A computer-readable storage medium storing computer-executable instructions for enabling an application for Conversational Understanding (CU) using assets in a CU service, comprising: receiving examples of Natural Language (NL) sentences used to interact with the application; detecting a domain, an intent action, and an intent object; receiving input to label the examples; automatically rephrasing the examples of the NL sentences to generate additional sentences that contain different ways of expressing a meaning of the NL sentences; and automatically updating models for the CU service based on the received input, wherein the updated models include the additional sentences.
11. The computer-readable medium of claim 10 , wherein detecting the domain comprises applying a domain detector to the examples.