30. The computer readable medium of claim 29 : wherein (C)(1) comprises displaying a structured input element; and wherein (C)(2) comprises receiving input from the human user in the structured input element.
30. The computer readable medium of claim 29 : wherein (C)(1) comprises displaying a structured input element; and wherein (C)(2) comprises receiving input from the human user in the structured input element. 50. The computer readable medium of claim 30 , wherein the structured input element comprises a check box.