Four people in a certain department of the company have dinner. Among them, there are two ladies: A Ling and Xie Li; there are two men: Bo Tong and Li Tang. They are all company employees: sales, accounting, supervisor, liaison. And the supervisor and contact are husband and wife. They sat around a square table: [1] The one sitting opposite BoTong was the salesman. [2] The one sitting opposite Li Tang was not the supervisor. [3] The one sitting on the left of A Ling was the accountant. [4] Sitting The one on the left side of the Xie Li is not a liaison.
on?
Xie Li.