3. The computer-implemented method of claim 1 , comprising: in response to determining that (i) the particular term is not included as a key term in the grammar, and (ii) the particular term is semantically similar to the particular key term that is referenced in the grammar as corresponding to the action, and before receiving data validating that the particular term corresponds to the action, providing a graphical output to a user that requests input from the user validating that the particular term corresponds to the action.
3. The computer-implemented method of claim 1 , comprising: in response to determining that (i) the particular term is not included as a key term in the grammar, and (ii) the particular term is semantically similar to the particular key term that is referenced in the grammar as corresponding to the action, and before receiving data validating that the particular term corresponds to the action, providing a graphical output to a user that requests input from the user validating that the particular term corresponds to the action. 4. The computer-implemented method of claim 3 , wherein the graphical output includes a hyperlink, and wherein the input from the user comprises a user selection of the hyperlink.