2. The method of claim 1 , wherein a state of each item of the plurality of hierarchically arranged items may indicate any one of an unselected state, an explicitly included state, an implicitly included state, an explicitly excluded state, and an implicitly excluded state.
2. The method of claim 1 , wherein a state of each item of the plurality of hierarchically arranged items may indicate any one of an unselected state, an explicitly included state, an implicitly included state, an explicitly excluded state, and an implicitly excluded state. 12. The method of claim 2 , wherein step (b) comprises: (i) displaying an indication of which explicitly included item in the first list to which each explicitly excluded item in the second list corresponds.