The owner of a music store is planning a window display of five products. Three are to be CDs selected from K, L, M, N and O and two are to be DVDs selected from R, S, T and U. The display items are to be selected according to the following conditions: (1) If K is displayed, U must be displayed (\(K \to U\)). (2) M cannot be displayed unless both L and R are also displayed (\(M \to L \land R\)). (3) If N is displayed, O must be displayed, and if O is displayed, N must be displayed (\(N \iff O\)). (4) If S is displayed, neither T nor U can be displayed (\(S \to \neg T \land \neg U\)). Which of the following is an acceptable display?