18. The system of claim 13 , wherein the at least one action comprises a second action classified as irrelevant, and wherein the second action is reclassified in response to the failure of the first action.
18. The system of claim 13 , wherein the at least one action comprises a second action classified as irrelevant, and wherein the second action is reclassified in response to the failure of the first action. 19. The system of claim 18 , wherein the at least one action further comprises a third action classified as relevant, and wherein the third action is reclassified as irrelevant in response to the failure of the first action.