20. The computer program product of claim 12 , wherein associating the speech data with a predefined command comprises: determining a largest probability associated with a first predefined command; determining a second largest probability associated with a second predefined command; calculating a difference between the largest probability and the second largest probability; responsive to the difference not exceeding a threshold value, generating a request for an input selecting the first predefined command or the second predefined command; and associating the speech data the first predefined command or the second predefined command responsive to receiving the input.
20. The computer program product of claim 12 , wherein associating the speech data with a predefined command comprises: determining a largest probability associated with a first predefined command; determining a second largest probability associated with a second predefined command; calculating a difference between the largest probability and the second largest probability; responsive to the difference not exceeding a threshold value, generating a request for an input selecting the first predefined command or the second predefined command; and associating the speech data the first predefined command or the second predefined command responsive to receiving the input. 21. The computer program product of claim 20 , wherein associating the speech data with a predefined command further comprises: responsive to the difference exceeding the threshold value, associating the speech data with the first predefined command.