12. The method of a claim 7 , further comprising: identifying a third type of concept referred to by the secondary user intent for the first substring; identifying a third substring from the first substring corresponding to the third type of concept; and determining a tertiary user intent for the third substring, wherein performing the task flow is further based on the tertiary user intent for the third substring.
12. The method of a claim 7 , further comprising: identifying a third type of concept referred to by the secondary user intent for the first substring; identifying a third substring from the first substring corresponding to the third type of concept; and determining a tertiary user intent for the third substring, wherein performing the task flow is further based on the tertiary user intent for the third substring. 14. The method of claim 12 , wherein identifying the third substring from the first substring comprises: identifying one or more predetermined words corresponding to the third type of concept in the first substring; and identifying the third substring based on the one or more predetermined words corresponding to the third type of concept.