8. The computer-readable memory device of claim 7 , wherein the instructions, when executed on the processor, further cause the device to, upon identifying an error in response to an action fulfilling the high-ranking dialogue hypothesis, reduce the hypothesis probability of the high-ranking dialogue hypothesis.
8. The computer-readable memory device of claim 7 , wherein the instructions, when executed on the processor, further cause the device to, upon identifying an error in response to an action fulfilling the high-ranking dialogue hypothesis, reduce the hypothesis probability of the high-ranking dialogue hypothesis. 9. The computer-readable memory device of claim 8 , wherein the instructions, when executed on the processor, further cause the device to, upon identifying a failure while executing the action for the high-ranking dialogue hypothesis, report to the user an action error indicating the failure of the action.