Explanation: Condition: Jack sits next to Olivia (J-O). Condition 2: J sits next to O or N, but not both. So, N cannot sit next to J. The two people next to J are O and one other person. The people who cannot sit next to J are M (Cond 1) and N (from J next to O, not N). So the other person must be K or L. Cond 4: If O sits next to J, O doesn't sit next to L. So, O must sit next to the other person (K or L) and J. The two positions next to J are for O and another person (X). If \(X=K\), the arrangement is J-O-M-L-N-K (O next to M, L; K next to N, J). If \(X=L\), the arrangement is J-O-M-K-N-L (O next to M, J; L next to N, J). In the first case, the other person next to J is **Kimberly**. In the second case, the other person next to J is **Lee**. The complete and accurate list of people who could also sit next to Jack (besides Olivia) is **Lee, Kimberly**.